Prothrombin:Acoagulation(clotting) factor that is needed for the normal clotting ofblood. Acascadeofbiochemicalevents leads to the formation of the final clot.Inthis cascade,prothrombinis aprecursortothrombin.
Prothrombin is also known asthrombinogenand, in medical jargon, aspro. See also:凝血酶原G20210A突变; andProthrombin time.
