A thrombus is a blood clot that forms in a blood vessel, obstructing blood flow at its site of formation. An embolus is a fragment of a thrombus or other material that travels through the bloodstream and can lodge in a blood vessel, causing a blockage elsewhere. Thromboembolism refers to the condition where a thrombus forms and then an embolus breaks off from it, leading to a blockage in a distant vessel, which can result in serious complications like stroke or pulmonary embolism.
An embolus is a physical mass (fat, air, blood clot, etc) which can travel to a different location in the arteries. An embolism is when an embolus actually blocks a capillary. A thrombus is a physical mass which remains attached to it's site of origin. A thrombus may detach to become a thrombo-embolus which may then cause an embolism.
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Embolus
A saddle embolus, or saddle thrombus, is a blood clot in the distal aorta. It is called a saddle thrombus because it often blocks on or both of the femoral arteries, sitting like a saddle on the split between the two.
Thrombus: A fibrinous clot that forms in and obstructs a blood vessel, or that forms in one of the chambers of the heart. (It stays in one place) Embolus: A mass, such as an air bubble, a detached blood clot, or a foreign body, that travels through the bloodstream and lodges so as to obstruct or occlude a blood vessel
thromboembolism
When a thrombus travels through the vascular system it is called an embolus.
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Clot. Embolus. Thrombus. Thrombophlebitis.
When a thrombus (or part of it) embolizes and becomes lodged once again, it is called a thrombus once more. Some prefer to still call it an embolus - even after it lodges again.
Thrombus (blood clot)
thrombosisThrombus.a blood clotA blood clot that is attached to a vessel wall is a thrombus, A drifting blood clot is an embolus