Origin of thromboplastin
International Scientific Vocabulary, from thromboplastic
First Known Use: 1911
Medical Definition of thromboplastin
: a complex enzyme that is found in brain, lung, and other tissues and especially in blood platelets and that functions in the conversion of prothrombin to thrombin in the clotting of blood—called also thrombokinase
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Medical Dictionary: Definition of "thromboplastin"
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