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Definition of Thrombokinase
1. Noun. An enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot. 
Definition of Thrombokinase
1. [n -S]
Medical Definition of Thrombokinase
1. 
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1. Noun. An enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot. 
1. [n -S]
1.