Digestive System > Stomach

Gastric Secretions

"I've got that yearning, burning, churning feeling inside me ..." Diana Ross

The stomach is famous for its secretion of acid, but acid is only one of four major secretory products of the gastric epithelium, all of which are important either to the digestive process or to control of gastric function:

A number of other enzymes are secreted by gastric epithelial cells, including a lipase and gelatinase. One secretory product of considerable importance in man is intrinsic factor, a glycoprotein secreted by parietal cells that is necessary for intestinal absorption of vitamin B12.

Advanced and Supplemental Topics

Absorption in the Stomach

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