prothrombinase /pro·throm·bin·ase/ (-throm´bin-ās)
prothrombinase (prōthrom´binās),
1. the complex of activated coagulation factor X and calcium, phospholipid, and modified factor V; it can cleave and activate prothrombin to thrombin.
2. sometimes specifically the active enzyme center of the complex, activated factor X.
pro·throm·bin·ase (pr -thr m b -n s , -nz)n. An enzyme that catalyzes the hydrolysis of prothrombin to thrombin. Also called factor X, Stuart factor. |
prothrombinase (prōthrom´binās),
n (complete thromboplastin, direct activator of prothrombin, extrinsic prothrombin activator), an inferred direct activator of prothrombin common to tissue and plasma coagulation systems. See also factor V.
prothrombinase
thromboplastin; tissue factor, factor III.
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