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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
/ ˌθɒəʊˈæɪ /
noun
Also called: thrombokinase.any of a group of substances that are liberated from damaged blood platelets and other tissues and convert prothrombin to thrombin
51Թ History and Origins
Origin of thromboplastin1
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.
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.
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