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defending
defenestrate
defense
defense mechanism
defense-minded
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defensin
de·fen·sin [ dee fénssin ] (plural de·fen·sins)


noun 
Definition:
 
blood peptide that prevents infection: a peptide in a set of three present in human white blood cells that appear to play a role in the prevention or elimination of infection
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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