First Known Use: 1898
Dictionary
prothrombin
noun pro·throm·bin \(ˌ)prō-ˈthräm-bən\
Definition of PROTHROMBIN
: a plasma protein produced in the liver in the presence of vitamin K and converted into thrombin in the clotting of blood
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Origin of PROTHROMBIN
International Scientific Vocabulary
Medical Dictionary
prothrombin
noun pro·throm·bin \(ˈ)prō-ˈthräm-bən\
Medical Definition of PROTHROMBIN
: a plasma protein produced in the liver in the presence of vitamin K and converted into thrombin by the action of various activators (as thromboplastin) in the clotting of blood
—pro·throm·bic \-bik\ adjective
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