A substance secreted by the stomach from which pepsin is derived. High levels of the blood appear to be associated with a predisposition to peptic ulcer.
A secretion from the gastric gland which is the inactive form of pepsin.
The inactive precursor form of pepsin.
Precursor of the digestive enzyme pepsin; it is stored in cells of the stomach walls and converted to its active form (pepsin) by hydrochloric acid in the stomach juices.
A precursor of pepsin that exists in granular form in the gastric glands.
The antecedent of pepsin existing in the form of granules in the chief cells of gastric glands.