Thrombinogen
Better known today as prothrombin, a coagulation (clotting) factor needed for the normal clotting of blood. There is a cascade of biochemical events that leads to the formation of the final clot. In this cascade, prothrombin is a precursor to thrombin. Because prothrombin comes before thrombin, it is called prothrombin. The prothrombin time is a clotting test. a test done to test the integrity of part of the clotting scheme. Familiarly called the "pro time," the test is the time needed for clot formation after a substance called thromboplastin (+ calcium) has been added to plasma.
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throm·bin·o·gen (throm-binґo-jən) factor II; see under coagulation factors, at factor.

Medical dictionary. 2011.

Look at other dictionaries:

  • Prothrombin — is a coagulation (clotting) factor. It is needed for the normal clotting of blood. There is a cascade of biochemical events that leads to the formation of the final clot. In this cascade, prothrombin is a precursor to thrombin. Because… …   Medical dictionary

  • θρομβινογόνο — το (βιοχ.) η προθρομβίνη*. [ΕΤΥΜΟΛ. Αντιδάνεια λ., πρβλ. αγγλ. thrombinogen < thrombino (πρβλ. θρομβίνη) + gen (πρβλ. θ. γεν , γόνος < γίγνομαι] …   Dictionary of Greek

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