prothrombin

== English == === Etymology === From pro- + thrombin. === Noun === prothrombin (plural prothrombins) (biochemistry) A glycoprotein, produced in the liver, that is converted into thrombin during bleeding and subsequent clotting. Synonyms: clotting factor II, factor II, coagulation factor II Hypernyms: factor, protein ==== Derived terms ==== ==== Translations ====