thrombokinase

thromboplastin

[throm-buh-plas-tin]
noun
1.
Biochemistry. a lipoprotein in the blood that converts prothrombin to thrombin.
2.
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.
Also called thrombokinase [throm-boh-kahy-neys, -kin-eys] .


Origin:
1910–15; thrombo- + -plast + -in2

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World English Dictionary
thrombokinase (ˌθrɒmbəʊˈkaɪneɪs)
 
n
another name for thromboplastin

thromboplastin (ˌθrɒmbəʊˈplæstɪn)
 
n
Also called: thrombokinase any of a group of substances that are liberated from damaged blood platelets and other tissues and convert prothrombin to thrombin

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

thrombokinase throm·bo·ki·nase (thrŏm'bō-kī'nās, -nāz)
n.
See thromboplastin.

thromboplastin throm·bo·plas·tin (thrŏm'bō-plās'tĭk)
n.
A plasma protein present in tissues, platelets, and white blood cells necessary for the coagulation of blood and, in the presence of calcium ions, necessary for the conversion of prothrombin to thrombin. Also called factor III, platelet tissue factor, thrombokinase.

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