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| Prothrombin Coagulation Factor II | Factor II | Blood Coagulation Factor II | Differentiation Reversal Factor | Factor II, Coagulation | Factor, Differentiation Reversal | II, Coagulation Factor A plasma protein that is the inactive precursor of thrombin. It is converted to thrombin by a prothrombin activator complex consisting of factor Xa, factor V, phospholipid, and calcium ions. Deficiency of prothrombin leads to hypoprothrombinemia. | |
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