A blood clot formed from platelets and other elements; that forms in a blood vessel in a living organism, and causes thrombosis or obstruction of the vessel at its point of formation or travel to other areas of the body
= blood clot (coagulated blood) A thrombus can develop by attachment of blood platelets (thrombocytes) to defects in the linings of blood vessels or because of a standstill of the blood flow, often they are mixed
A clot of blood formed of a passage of a vessel and remaining at the site of coagulation