thromboplastin(redirected from platelet tissue factor)
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Related to platelet tissue factor: factor III
A complex of protein and phospholipids that is found in tissues and platelets and facilitates blood clotting by converting prothrombin to thrombin.
(Biochemistry) any of a group of substances that are liberated from damaged blood platelets and other tissues and convert prothrombin to thrombin. Also called: thrombokinase
throm•bo•plas•tin(ˌθrɒm bəˈplæs tɪn)
a lipoprotein in the blood that converts prothrombin to thrombin.Also called throm•bo•ki•nase (ˌθrɒm boʊˈkaɪ neɪs, -ˈkɪn eɪs)