| thrombinogen | A coagulation factor needed for the normal clotting of blood. In the cascade of events leading to the final clot, thrombinogen precedes thrombin (and so is a precursor to thrombin). In fact, thrombinogen gives rise to thrombin, and also called prothrombin. (12 Dec 1998) |
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| thrombinogenesis | Thrombin production. (05 Mar 2000) |