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→Pathophysiology
==Pathophysiology==
==Pathophysiology==
* A thrombus is a solid blood clot that forms within the vessels or heart during life.
* A thrombus is a solid blood clot that forms within the vessels or heart during life.
* The process of thrombus formation is known as thrombosis.
* The process of thrombus formation is known as thrombosis.
* Thrombii may occur anywhere within the cardiovascular system.
* Thrombii may occur anywhere within the cardiovascular system.
[[Image:DIC thrombus.jpg|right|thumb|200px|<small><center>'''DIC thrombus'''. Courtesy of A. Jefferies</center></small>]]
The process of thrombosis formation usually begins with platelets becoming sticky. They adhere to each other and to the endothelium. This increased "stickiness" is induced by contact with:
The process usually begins with platelets becoming sticky. They adhere to each other and to the endothelium. This increased "stickiness" is induced by contact with:
* Collagen
* Collagen
* Basement membrane
* Basement membrane