Medical Definition of Platelet aggregation
Platelet aggregation: The clumping together of platelets in the blood. Platelet aggregation is part of the sequence of events leading to the formation of a thrombus (clot).
Source: MedTerms™ Medical Dictionaryhttp://www.medicinenet.com/script/main/art.asp?articlekey=33673
Last Editorial Review: 5/13/2016
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