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Medical Term:


Pronunciation: lī′sō-zīm

Definition: An enzyme that catalyzes the hydrolysis of 1,4-β linkages between N-acetylmuramic acid and N-acetyl-d-glucosamine, and is thus destructive to cell walls of certain bacteria; present in tears and some other body fluids, in egg white, and in some plant tissues; used as an antiseptic to prevent caries and treat infant formulas.

Synonym(s): mucopeptide glycohydrolase, muramidase