- a fibrinous clot that forms in and obstructs a blood vessel, or that forms in one of the chambers of the heart.
Origin of thrombus
Related Words for thrombiclump, lump, set, battery, cluster, array, thickness, bunch, group, gob, precipitate, body, glob, consolidation, bundle, bulk, occlusion, batch, embolism, grume
Examples from the Web for thrombi
Historical Examples of thrombi
The thrombi grow by accretion in the direction of the heart.
Thrombi, in some instances, soften in their centers, and are then observed to contain a puslike substance.Special Report on Diseases of the Horse
United States Department of Agriculture
Thrombi from dilatation are met with both in dilated arteries and veins.
The danger of this is greatly increased by infection, which breaks down the thrombi in the veins and arteries.Surgery, with Special Reference to Podiatry
Thrombi are also divided into primitive, or autochthonous, and secondary varieties.
- a clot of coagulated blood that forms within a blood vessel or inside the heart and remains at the site of its formation, often impeding the flow of bloodCompare embolus
Word Origin for thrombus
Word Origin and History for thrombi
1690s, Modern Latin, from Greek thrombos "lump, piece, clot of blood, curd of milk."
- A fibrinous clot formed in a blood vessel or in a chamber of the heart.
- A clot consisting of fibrin, platelets, red blood cells, and white blood cells that forms in a blood vessel or in a chamber of the heart and can obstruct blood flow. The rupture of atherosclerotic plaques can cause arterial thrombosis (the formation of thrombi), while tissue injury, decreased movement, oral contraceptives, prosthetic heart valves, and various metabolic disorders increase the risk for venous thrombosis. A thrombus in a coronary artery can cause a heart attack. Compare embolus.