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hirudin
hir·u·din [ hrəd'n, heer d'n ]


noun 
Definition:
 
anticoagulant from leeches: a substance produced by the salivary glands of leeches that prevents blood from clotting
[Early 20th century. < Latin hirudo "leech"]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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