?:definition
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Hematology reagents used for qualitative and/or quantitative determination in plasma of thromboglobulin, a platelet-specific protein that is usually released simultaneously with platelet factor 4. Beta-thromboglobulin binds and inactivates heparin and blocks the release of prostacyclin; increased levels in blood may indicate the occurrence of thrombosis (i.e., it is considered a thrombophilia marker).
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