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blood clottingЗначение термина blood clotting в knolikblood clotting - blood clotting (blood coagulation) blood clotting - Conversion of liquidblood to jelly, occurring when blood-vessels are injured. Prevents escape of blood. In vertebrates, a soluble blood-protein (fibrinogen) is converted to tangle of insoluble threads (fibrin) by an enzyme (thrombin). Thrombin is formed from a blood-protein (pro-thrombin) by an activator (thrombokinase) liberated from injured tissues or from blood platelets; removal of free calcium from blood (as by adding oxalate or citrate) inhibits thrombin formation. In some Arthropoda clotting is by projection of thread-like processes from blood-corpuscles. Рядом со словом blood clotting в knolik
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