Skip to Content
Medical Term:


Pronunciation: li'so-zim


An enzyme that catalyzes the hydrolysis of 1,4-ß 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

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.