What is "pepsinogen"

Pepsinogen \Pep*sin"o*gen\, n. [Pepsin + -gen.] (Physiol. Chem.) The antecedent of the ferment pepsin. A substance contained in the form of granules in the peptic cells of the gastric glands. It is readily convertible into pepsin. Also called propepsin.

n. (context biochemistry English) A zymogen that is converted into pepsin by the hydrochloric acid in the stomach.

n. precursor of pepsin; stored in the stomach walls and converted to pepsin by hydrochloric acid in the stomach