Medical Definition of Blood clots
Blood clots: Blood that has been converted from a liquid to a solid state. Also called a thrombus.
The process by which a blood clot forms is termed coagulation. A blood clot, or thrombus, is stationary within a vessel or the heart. If it moves from that location through the bloodstream, it is referred to as an embolus.
Picture of a blood clot is formed
Last Editorial Review: 5/13/2016
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