an·ti·throm·bin noun \ˌan-tē-ˈthräm-bən, ˌan-ˌtī-\
: any of a group of substances that inhibit blood clotting by inactivating thrombin
First Known Use of ANTITHROMBIN
an·ti·throm·bin noun \-ˈthräm-bən\ (Medical Dictionary)
: any of a group of substances in blood that inhibit blood clotting by inactivating thrombin—compare antiprothrombin, heparin
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