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  <xsd:element id="tyra_LicenseAgreementsTextBlock" name="LicenseAgreementsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tyra_ScheduleOfMaturitiesOfLeaseLiabilitiesWithWeightedAverageRemainingTermAndDiscountRateTableTextBlock" name="ScheduleOfMaturitiesOfLeaseLiabilitiesWithWeightedAverageRemainingTermAndDiscountRateTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tyra_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock" name="ScheduleOfSupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="tyra_SimpleAgreementsForFutureEquityTextBlock" name="SimpleAgreementsForFutureEquityTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
</xsd:schema>
