Skip to Content
Medical Term:


Pronunciation: pep-sin'o-jen


A proenzyme or zymogen formed and secreted by the chief cells of the gastric mucosa; the acidity of the gastric juice and pepsin itself remove 44 amino acyl residues from pepsinogen to form active pepsin.

Synonym(s): propepsin

[pepsin + G. -gen, producing]

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