Skip to Content


Pronunciation: pep-sin'o-jen

Definition: 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]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.