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Definition of Thrombin

Thrombin: A key clot promoter, thrombin is an enzyme that presides over the conversion of a substance called fibrinogen to fibrin, the right stuff for a clot.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=5764
Last Editorial Review: 3/26/1998 2:29:00 PM

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