Prothrombin Definition

prō-thrŏmbĭn
noun
A factor in the blood plasma that combines with calcium to form thrombin during blood clotting: it is a precursor of thrombin and is synthesized by the liver in the presence of vitamin K.
Webster's New World
Synonyms:
  • factor II

Other Word Forms of Prothrombin

Noun

Singular:
prothrombin
Plural:
prothrombins

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prothrombin