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a solid mass formed as the result of blood coagulation, either within the blood vessels and heart or elsewhere (compare thrombus). A blood clot consists of a meshwork of the protein fibrin in which various blood cells are trapped.
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a coagulum in the bloodstream formed of an aggregation of blood factors, primarily platelets, and fibrin with entrapment of cellular elements; see also thrombus. Some authorities differentiate thrombus formation from simple coagulation or clot formation. Called also cruor.Medical dictionary. 2011.