G cells

Definition

G cells are specialized endocrine cells located in the stomach lining that produce and secrete the hormone gastrin. Gastrin plays a crucial role in stimulating the secretion of gastric acid, which aids in the digestive process.

Related terms

Gastrin: A hormone produced by G cells that stimulates the secretion of gastric acid by the stomach.

Gastric acid: A digestive fluid, containing hydrochloric acid and enzymes, secreted by the stomach lining to aid in breaking down food.

Endocrine cells: Cells that release hormones directly into the bloodstream to regulate various bodily functions