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pepsin a

pepsin a in Medicine

pepsin A n.
The principal digestive enzyme of gastric juice that is formed from pepsinogen and catalyzes the hydrolysis of peptide bonds to form proteoses and peptones.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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