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thromboplastin
[ throm-buh-plas-tin ]
noun
- Biochemistry. a lipoprotein in the blood that converts prothrombin to thrombin.
- Pharmacology. a commercial form of this substance, obtained from the brains of cattle, used chiefly as a local hemostatic and as a laboratory reagent in blood prothrombin tests.
thromboplastin
/ ˌθrɒmbəʊˈplæstɪn /
noun
- any of a group of substances that are liberated from damaged blood platelets and other tissues and convert prothrombin to thrombin Also calledthrombokinase
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Word History and Origins
Origin of thromboplastin1
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Example Sentences
Activated clotting or activated partial thromboplastin time assays are currently used to calculate heparin doses, but these are time-consuming, expensive and can be unreliable.
From Scientific American
Head trauma can cause blood clots, Narayan said, because the injury triggers the production of thromboplastin, a blood protein that causes the blood to clot.
From Reuters
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