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cathartic
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cathepsin
ca·thep·sin [ kə thépsən ] (plural ca·thep·sins)


noun 
Definition:
 
destructive enzyme: an enzyme that digests proteins after cell death
[Early 20th century. < German Kathepsin< Greek kathepsein "to digest," literally "boil down" < hepsein "to boil"]
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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