<?xml version="1.0" encoding="us-ascii"?>
<!-- EDGAR Online I-Metrix Xcelerate Risk Return XBRL Schema Document, based on XBRL 2.1  http://www.edgar-online.com/ -->
<!-- Created (UTC): 12/18/2012 4:04:58 PM -->
<!-- XBRL File Set ID: 8a678173-ae48-490c-b2eb-c031f81d38c6 -->
<!-- App Version: 3.0.0.183, 5.1.2600.196608, 14.0 -->
<!-- Copyright (c) 2005-2012 EDGAR Online, Inc. All Rights Reserved. -->
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        <link:definition>010005 - Document - Risk/Return Summary {Unlabeled} (Government Portfolio (Prospectus Summary):)</link:definition>
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        <link:definition>010010 - Schedule - Shareholder Fees</link:definition>
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        <link:definition>010015 - Schedule - Annual Fund Operating Expenses</link:definition>
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        <link:definition>010020 - Schedule - Expense Example {Transposed}</link:definition>
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        <link:definition>010025 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
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        <link:definition>010030 - Schedule - Annual Total Returns</link:definition>
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        <link:definition>010035 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
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        <link:definition>050005 - Document - Risk/Return Summary {Unlabeled} (Government Portfolio (Second Summary Prospectus))</link:definition>
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        <link:definition>050010 - Schedule - Shareholder Fees</link:definition>
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        <link:definition>050015 - Schedule - Annual Fund Operating Expenses</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050020 - Schedule - Expense Example {Transposed}</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050025 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050030 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050035 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050040 - Disclosure - Risk/Return Detail Data {Elements} (Government Portfolio (Second Summary Prospectus))</link:definition>
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        <link:definition>050045 - Document - Risk/Return Summary {Unlabeled} (Government Portfolio (Seventh Summary Prospectus))</link:definition>
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        <link:definition>050050 - Schedule - Shareholder Fees</link:definition>
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        <link:definition>050055 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050060 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050065 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050070 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050075 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050080 - Disclosure - Risk/Return Detail Data {Elements} (Government Portfolio (Seventh Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>050085 - Document - Risk/Return Summary {Unlabeled} (Government Portfolio (Sixth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>050090 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>050095 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050100 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050105 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050110 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050115 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050120 - Disclosure - Risk/Return Detail Data {Elements} (Government Portfolio (Sixth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>050125 - Document - Risk/Return Summary {Unlabeled} (Government Portfolio (Fifth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>050130 - Schedule - Shareholder Fees</link:definition>
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        <link:definition>050135 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050140 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>050145 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050150 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050155 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050160 - Disclosure - Risk/Return Detail Data {Elements} (Government Portfolio (Fifth Summary Prospectus))</link:definition>
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        <link:definition>050165 - Document - Risk/Return Summary {Unlabeled} (Government Portfolio (Fourth Summary Prospectus))</link:definition>
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        <link:definition>050170 - Schedule - Shareholder Fees</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0006-S000004148Member" id="OperatingExpensesData_P0006-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050175 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0006-S000004148Member" id="ExpenseExample_P0006-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050180 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0006-S000004148Member" id="ExpenseExampleNoRedemption_P0006-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050185 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0006-S000004148Member" id="BarChartData_P0006-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050190 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0006-S000004148Member" id="PerformanceTableData_P0006-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050195 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0006-S000004148Member" id="RiskReturnDetailData_P0006-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050200 - Disclosure - Risk/Return Detail Data {Elements} (Government Portfolio (Fourth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0007-S000004148Member" id="RiskReturn_P0007-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050205 - Document - Risk/Return Summary {Unlabeled} (Government Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0007-S000004148Member" id="ShareholderFeesData_P0007-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050210 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0007-S000004148Member" id="OperatingExpensesData_P0007-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050215 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0007-S000004148Member" id="ExpenseExample_P0007-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050220 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0007-S000004148Member" id="ExpenseExampleNoRedemption_P0007-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050225 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0007-S000004148Member" id="BarChartData_P0007-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050230 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0007-S000004148Member" id="PerformanceTableData_P0007-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050235 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0007-S000004148Member" id="RiskReturnDetailData_P0007-S000004148Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050240 - Disclosure - Risk/Return Detail Data {Elements} (Government Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0001-S000004149Member" id="RiskReturn_P0001-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050245 - Document - Risk/Return Summary {Unlabeled} (Government Securities Portfolio (Prospectus Summary):)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0001-S000004149Member" id="ShareholderFeesData_P0001-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050250 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0001-S000004149Member" id="OperatingExpensesData_P0001-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050255 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0001-S000004149Member" id="ExpenseExample_P0001-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050260 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0001-S000004149Member" id="ExpenseExampleNoRedemption_P0001-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050265 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0001-S000004149Member" id="BarChartData_P0001-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050270 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0001-S000004149Member" id="PerformanceTableData_P0001-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050275 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0001-S000004149Member" id="RiskReturnDetailData_P0001-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050280 - Disclosure - Risk/Return Detail Data {Elements} (Government Securities Portfolio (Prospectus Summary):)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0002-S000004149Member" id="RiskReturn_P0002-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050285 - Document - Risk/Return Summary {Unlabeled} (Government Securities Portfolio (Seventh Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0002-S000004149Member" id="ShareholderFeesData_P0002-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050290 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0002-S000004149Member" id="OperatingExpensesData_P0002-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050295 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0002-S000004149Member" id="ExpenseExample_P0002-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050300 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0002-S000004149Member" id="ExpenseExampleNoRedemption_P0002-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050305 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0002-S000004149Member" id="BarChartData_P0002-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050310 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0002-S000004149Member" id="PerformanceTableData_P0002-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050315 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0002-S000004149Member" id="RiskReturnDetailData_P0002-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050320 - Disclosure - Risk/Return Detail Data {Elements} (Government Securities Portfolio (Seventh Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0003-S000004149Member" id="RiskReturn_P0003-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050325 - Document - Risk/Return Summary {Unlabeled} (Government Securities Portfolio (Sixth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0003-S000004149Member" id="ShareholderFeesData_P0003-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050330 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0003-S000004149Member" id="OperatingExpensesData_P0003-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050335 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0003-S000004149Member" id="ExpenseExample_P0003-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050340 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0003-S000004149Member" id="ExpenseExampleNoRedemption_P0003-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050345 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0003-S000004149Member" id="BarChartData_P0003-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050350 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0003-S000004149Member" id="PerformanceTableData_P0003-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050355 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0003-S000004149Member" id="RiskReturnDetailData_P0003-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050360 - Disclosure - Risk/Return Detail Data {Elements} (Government Securities Portfolio (Sixth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0004-S000004149Member" id="RiskReturn_P0004-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050365 - Document - Risk/Return Summary {Unlabeled} (Government Securities Portfolio (Fifth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0004-S000004149Member" id="ShareholderFeesData_P0004-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050370 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0004-S000004149Member" id="OperatingExpensesData_P0004-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050375 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0004-S000004149Member" id="ExpenseExample_P0004-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050380 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0004-S000004149Member" id="ExpenseExampleNoRedemption_P0004-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050385 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0004-S000004149Member" id="BarChartData_P0004-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050390 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0004-S000004149Member" id="PerformanceTableData_P0004-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050395 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0004-S000004149Member" id="RiskReturnDetailData_P0004-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050400 - Disclosure - Risk/Return Detail Data {Elements} (Government Securities Portfolio (Fifth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0005-S000004149Member" id="RiskReturn_P0005-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050405 - Document - Risk/Return Summary {Unlabeled} (Government Securities Portfolio (Fourth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0005-S000004149Member" id="ShareholderFeesData_P0005-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050410 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0005-S000004149Member" id="OperatingExpensesData_P0005-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050415 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0005-S000004149Member" id="ExpenseExample_P0005-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050420 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0005-S000004149Member" id="ExpenseExampleNoRedemption_P0005-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050425 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0005-S000004149Member" id="BarChartData_P0005-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050430 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0005-S000004149Member" id="PerformanceTableData_P0005-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050435 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0005-S000004149Member" id="RiskReturnDetailData_P0005-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050440 - Disclosure - Risk/Return Detail Data {Elements} (Government Securities Portfolio (Fourth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0006-S000004149Member" id="RiskReturn_P0006-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050445 - Document - Risk/Return Summary {Unlabeled} (Government Securities Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0006-S000004149Member" id="ShareholderFeesData_P0006-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050450 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0006-S000004149Member" id="OperatingExpensesData_P0006-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050455 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0006-S000004149Member" id="ExpenseExample_P0006-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050460 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0006-S000004149Member" id="ExpenseExampleNoRedemption_P0006-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050465 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050470 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050475 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0006-S000004149Member" id="RiskReturnDetailData_P0006-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050480 - Disclosure - Risk/Return Detail Data {Elements} (Government Securities Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0007-S000004149Member" id="RiskReturn_P0007-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050485 - Document - Risk/Return Summary {Unlabeled} (Government Securities Portfolio (Second Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0007-S000004149Member" id="ShareholderFeesData_P0007-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050490 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0007-S000004149Member" id="OperatingExpensesData_P0007-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050495 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0007-S000004149Member" id="ExpenseExample_P0007-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050500 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0007-S000004149Member" id="ExpenseExampleNoRedemption_P0007-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050505 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0007-S000004149Member" id="BarChartData_P0007-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050510 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0007-S000004149Member" id="PerformanceTableData_P0007-S000004149Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050515 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050520 - Disclosure - Risk/Return Detail Data {Elements} (Government Securities Portfolio (Second Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050525 - Document - Risk/Return Summary {Unlabeled} (Money Market Portfolio (Prospectus Summary):)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0001-S000004150Member" id="ShareholderFeesData_P0001-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050530 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0001-S000004150Member" id="OperatingExpensesData_P0001-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050535 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0001-S000004150Member" id="ExpenseExample_P0001-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050540 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0001-S000004150Member" id="ExpenseExampleNoRedemption_P0001-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050545 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0001-S000004150Member" id="BarChartData_P0001-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050550 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0001-S000004150Member" id="PerformanceTableData_P0001-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050555 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0001-S000004150Member" id="RiskReturnDetailData_P0001-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050560 - Disclosure - Risk/Return Detail Data {Elements} (Money Market Portfolio (Prospectus Summary):)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0002-S000004150Member" id="RiskReturn_P0002-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050565 - Document - Risk/Return Summary {Unlabeled} (Money Market Portfolio (Seventh Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0002-S000004150Member" id="ShareholderFeesData_P0002-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050570 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0002-S000004150Member" id="OperatingExpensesData_P0002-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050575 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0002-S000004150Member" id="ExpenseExample_P0002-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050580 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0002-S000004150Member" id="ExpenseExampleNoRedemption_P0002-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050585 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0002-S000004150Member" id="BarChartData_P0002-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050590 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0002-S000004150Member" id="PerformanceTableData_P0002-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050595 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0002-S000004150Member" id="RiskReturnDetailData_P0002-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050600 - Disclosure - Risk/Return Detail Data {Elements} (Money Market Portfolio (Seventh Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0003-S000004150Member" id="RiskReturn_P0003-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050605 - Document - Risk/Return Summary {Unlabeled} (Money Market Portfolio (Sixth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0003-S000004150Member" id="ShareholderFeesData_P0003-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050610 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0003-S000004150Member" id="OperatingExpensesData_P0003-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050615 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0003-S000004150Member" id="ExpenseExample_P0003-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050620 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0003-S000004150Member" id="ExpenseExampleNoRedemption_P0003-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050625 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0003-S000004150Member" id="BarChartData_P0003-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050630 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0003-S000004150Member" id="PerformanceTableData_P0003-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050635 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0003-S000004150Member" id="RiskReturnDetailData_P0003-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050640 - Disclosure - Risk/Return Detail Data {Elements} (Money Market Portfolio (Sixth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0004-S000004150Member" id="RiskReturn_P0004-S000004150Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050645 - Document - Risk/Return Summary {Unlabeled} (Money Market Portfolio (Fifth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050650 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050655 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050660 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050665 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050670 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050675 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050680 - Disclosure - Risk/Return Detail Data {Elements} (Money Market Portfolio (Fifth Summary Prospectus))</link:definition>
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        <link:definition>050685 - Document - Risk/Return Summary {Unlabeled} (Money Market Portfolio (Fourth Summary Prospectus))</link:definition>
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        <link:definition>050690 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050695 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050700 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050705 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050710 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050715 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050720 - Disclosure - Risk/Return Detail Data {Elements} (Money Market Portfolio (Fourth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050725 - Document - Risk/Return Summary {Unlabeled} (Money Market Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050730 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050735 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050740 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050745 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050750 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050755 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050760 - Disclosure - Risk/Return Detail Data {Elements} (Money Market Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>050765 - Document - Risk/Return Summary {Unlabeled} (Money Market Portfolio (Second Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>050770 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050775 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050780 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050785 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050790 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050795 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050800 - Disclosure - Risk/Return Detail Data {Elements} (Money Market Portfolio (Second Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>050805 - Document - Risk/Return Summary {Unlabeled} (Prime Portfolio (Prospectus Summary):)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050810 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050815 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050820 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050825 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050830 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050835 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050840 - Disclosure - Risk/Return Detail Data {Elements} (Prime Portfolio (Prospectus Summary):)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>050845 - Document - Risk/Return Summary {Unlabeled} (Prime Portfolio (Second Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050850 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050855 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050860 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050865 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050870 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050875 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050880 - Disclosure - Risk/Return Detail Data {Elements} (Prime Portfolio (Second Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050885 - Document - Risk/Return Summary {Unlabeled} (Prime Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
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        <link:definition>050890 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050895 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050900 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>050905 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050910 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050915 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050920 - Disclosure - Risk/Return Detail Data {Elements} (Prime Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>050925 - Document - Risk/Return Summary {Unlabeled} (Prime Portfolio (Fourth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0004-S000004151Member" id="ShareholderFeesData_P0004-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050930 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0004-S000004151Member" id="OperatingExpensesData_P0004-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050935 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0004-S000004151Member" id="ExpenseExample_P0004-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050940 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0004-S000004151Member" id="ExpenseExampleNoRedemption_P0004-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050945 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0004-S000004151Member" id="BarChartData_P0004-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050950 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0004-S000004151Member" id="PerformanceTableData_P0004-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050955 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0004-S000004151Member" id="RiskReturnDetailData_P0004-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050960 - Disclosure - Risk/Return Detail Data {Elements} (Prime Portfolio (Fourth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0005-S000004151Member" id="RiskReturn_P0005-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050965 - Document - Risk/Return Summary {Unlabeled} (Prime Portfolio (Fifth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0005-S000004151Member" id="ShareholderFeesData_P0005-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050970 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0005-S000004151Member" id="OperatingExpensesData_P0005-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050975 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0005-S000004151Member" id="ExpenseExample_P0005-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050980 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0005-S000004151Member" id="ExpenseExampleNoRedemption_P0005-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050985 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0005-S000004151Member" id="BarChartData_P0005-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050990 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0005-S000004151Member" id="PerformanceTableData_P0005-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>050995 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0005-S000004151Member" id="RiskReturnDetailData_P0005-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051000 - Disclosure - Risk/Return Detail Data {Elements} (Prime Portfolio (Fifth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0006-S000004151Member" id="RiskReturn_P0006-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051005 - Document - Risk/Return Summary {Unlabeled} (Prime Portfolio (Sixth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0006-S000004151Member" id="ShareholderFeesData_P0006-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051010 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0006-S000004151Member" id="OperatingExpensesData_P0006-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051015 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0006-S000004151Member" id="ExpenseExample_P0006-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051020 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0006-S000004151Member" id="ExpenseExampleNoRedemption_P0006-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051025 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0006-S000004151Member" id="BarChartData_P0006-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051030 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0006-S000004151Member" id="PerformanceTableData_P0006-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051035 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0006-S000004151Member" id="RiskReturnDetailData_P0006-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051040 - Disclosure - Risk/Return Detail Data {Elements} (Prime Portfolio (Sixth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0007-S000004151Member" id="RiskReturn_P0007-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051045 - Document - Risk/Return Summary {Unlabeled} (Prime Portfolio (Seventh Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0007-S000004151Member" id="ShareholderFeesData_P0007-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051050 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0007-S000004151Member" id="OperatingExpensesData_P0007-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051055 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0007-S000004151Member" id="ExpenseExample_P0007-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051060 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0007-S000004151Member" id="ExpenseExampleNoRedemption_P0007-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051065 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0007-S000004151Member" id="BarChartData_P0007-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051070 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0007-S000004151Member" id="PerformanceTableData_P0007-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051075 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0007-S000004151Member" id="RiskReturnDetailData_P0007-S000004151Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051080 - Disclosure - Risk/Return Detail Data {Elements} (Prime Portfolio (Seventh Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0001-S000004153Member" id="RiskReturn_P0001-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051085 - Document - Risk/Return Summary {Unlabeled} (Treasury Portfolio (Prospectus Summary):)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0001-S000004153Member" id="ShareholderFeesData_P0001-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051090 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0001-S000004153Member" id="OperatingExpensesData_P0001-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051095 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0001-S000004153Member" id="ExpenseExample_P0001-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051100 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0001-S000004153Member" id="ExpenseExampleNoRedemption_P0001-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051105 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0001-S000004153Member" id="BarChartData_P0001-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051110 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0001-S000004153Member" id="PerformanceTableData_P0001-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051115 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0001-S000004153Member" id="RiskReturnDetailData_P0001-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051120 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Portfolio (Prospectus Summary):)</link:definition>
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        <link:definition>051125 - Document - Risk/Return Summary {Unlabeled} (Treasury Portfolio (Second Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>051130 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051135 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051140 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051145 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051150 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051155 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051160 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Portfolio (Second Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051165 - Document - Risk/Return Summary {Unlabeled} (Treasury Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051170 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051175 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0003-S000004153Member" id="ExpenseExample_P0003-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051180 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0003-S000004153Member" id="ExpenseExampleNoRedemption_P0003-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051185 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0003-S000004153Member" id="BarChartData_P0003-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051190 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051195 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0003-S000004153Member" id="RiskReturnDetailData_P0003-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051200 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051205 - Document - Risk/Return Summary {Unlabeled} (Treasury Portfolio (Fourth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051210 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051215 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0004-S000004153Member" id="ExpenseExample_P0004-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051220 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0004-S000004153Member" id="ExpenseExampleNoRedemption_P0004-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051225 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051230 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051235 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051240 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Portfolio (Fourth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0005-S000004153Member" id="RiskReturn_P0005-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051245 - Document - Risk/Return Summary {Unlabeled} (Treasury Portfolio (Fifth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051250 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0005-S000004153Member" id="OperatingExpensesData_P0005-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051255 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0005-S000004153Member" id="ExpenseExample_P0005-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051260 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0005-S000004153Member" id="ExpenseExampleNoRedemption_P0005-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051265 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0005-S000004153Member" id="BarChartData_P0005-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051270 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0005-S000004153Member" id="PerformanceTableData_P0005-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051275 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051280 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Portfolio (Fifth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0006-S000004153Member" id="RiskReturn_P0006-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051285 - Document - Risk/Return Summary {Unlabeled} (Treasury Portfolio (Sixth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051290 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051295 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0006-S000004153Member" id="ExpenseExample_P0006-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051300 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0006-S000004153Member" id="ExpenseExampleNoRedemption_P0006-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051305 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0006-S000004153Member" id="BarChartData_P0006-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051310 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0006-S000004153Member" id="PerformanceTableData_P0006-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051315 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0006-S000004153Member" id="RiskReturnDetailData_P0006-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051320 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Portfolio (Sixth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0007-S000004153Member" id="RiskReturn_P0007-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051325 - Document - Risk/Return Summary {Unlabeled} (Treasury Portfolio (Seventh Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0007-S000004153Member" id="ShareholderFeesData_P0007-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051330 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0007-S000004153Member" id="OperatingExpensesData_P0007-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051335 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0007-S000004153Member" id="ExpenseExample_P0007-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051340 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0007-S000004153Member" id="ExpenseExampleNoRedemption_P0007-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051345 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0007-S000004153Member" id="BarChartData_P0007-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051350 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0007-S000004153Member" id="PerformanceTableData_P0007-S000004153Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051355 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051360 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Portfolio (Seventh Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051365 - Document - Risk/Return Summary {Unlabeled} (Treasury Securities Portfolio (Prospectus Summary):)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051370 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051375 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>051380 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0001-S000004154Member" id="ExpenseExampleNoRedemption_P0001-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051385 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0001-S000004154Member" id="BarChartData_P0001-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051390 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0001-S000004154Member" id="PerformanceTableData_P0001-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051395 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0001-S000004154Member" id="RiskReturnDetailData_P0001-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051400 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Securities Portfolio (Prospectus Summary):)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0002-S000004154Member" id="RiskReturn_P0002-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051405 - Document - Risk/Return Summary {Unlabeled} (Treasury Securities Portfolio (Second Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0002-S000004154Member" id="ShareholderFeesData_P0002-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051410 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0002-S000004154Member" id="OperatingExpensesData_P0002-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051415 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0002-S000004154Member" id="ExpenseExample_P0002-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051420 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0002-S000004154Member" id="ExpenseExampleNoRedemption_P0002-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051425 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0002-S000004154Member" id="BarChartData_P0002-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051430 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0002-S000004154Member" id="PerformanceTableData_P0002-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051435 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0002-S000004154Member" id="RiskReturnDetailData_P0002-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051440 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Securities Portfolio (Second Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0003-S000004154Member" id="RiskReturn_P0003-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051445 - Document - Risk/Return Summary {Unlabeled} (Treasury Securities Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0003-S000004154Member" id="ShareholderFeesData_P0003-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051450 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0003-S000004154Member" id="OperatingExpensesData_P0003-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051455 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0003-S000004154Member" id="ExpenseExample_P0003-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051460 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0003-S000004154Member" id="ExpenseExampleNoRedemption_P0003-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051465 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0003-S000004154Member" id="BarChartData_P0003-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051470 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0003-S000004154Member" id="PerformanceTableData_P0003-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051475 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0003-S000004154Member" id="RiskReturnDetailData_P0003-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051480 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Securities Portfolio (Third Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0004-S000004154Member" id="RiskReturn_P0004-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051485 - Document - Risk/Return Summary {Unlabeled} (Treasury Securities Portfolio (Fourth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0004-S000004154Member" id="ShareholderFeesData_P0004-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051490 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0004-S000004154Member" id="OperatingExpensesData_P0004-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051495 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0004-S000004154Member" id="ExpenseExample_P0004-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051500 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0004-S000004154Member" id="ExpenseExampleNoRedemption_P0004-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051505 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0004-S000004154Member" id="BarChartData_P0004-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051510 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0004-S000004154Member" id="PerformanceTableData_P0004-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051515 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0004-S000004154Member" id="RiskReturnDetailData_P0004-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051520 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Securities Portfolio (Fourth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0005-S000004154Member" id="RiskReturn_P0005-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051525 - Document - Risk/Return Summary {Unlabeled} (Treasury Securities Portfolio (Fifth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0005-S000004154Member" id="ShareholderFeesData_P0005-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051530 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0005-S000004154Member" id="OperatingExpensesData_P0005-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051535 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0005-S000004154Member" id="ExpenseExample_P0005-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051540 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0005-S000004154Member" id="ExpenseExampleNoRedemption_P0005-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051545 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/BarChartData_P0005-S000004154Member" id="BarChartData_P0005-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051550 - Schedule - Annual Total Returns</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/PerformanceTableData_P0005-S000004154Member" id="PerformanceTableData_P0005-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051555 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturnDetailData_P0005-S000004154Member" id="RiskReturnDetailData_P0005-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051560 - Disclosure - Risk/Return Detail Data {Elements} (Treasury Securities Portfolio (Fifth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/RiskReturn_P0006-S000004154Member" id="RiskReturn_P0006-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051565 - Document - Risk/Return Summary {Unlabeled} (Treasury Securities Portfolio (Sixth Summary Prospectus))</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ShareholderFeesData_P0006-S000004154Member" id="ShareholderFeesData_P0006-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051570 - Schedule - Shareholder Fees</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/OperatingExpensesData_P0006-S000004154Member" id="OperatingExpensesData_P0006-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051575 - Schedule - Annual Fund Operating Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExample_P0006-S000004154Member" id="ExpenseExample_P0006-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051580 - Schedule - Expense Example {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.morganstanley.com/20121213/role/ExpenseExampleNoRedemption_P0006-S000004154Member" id="ExpenseExampleNoRedemption_P0006-S000004154Member" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>051585 - Schedule - Expense Example, No Redemption {Transposed}</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>051620 - Schedule - Expense Example {Transposed}</link:definition>
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        <link:definition>051635 - Schedule - Average Annual Total Returns {Transposed}</link:definition>
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