G cell
G Cell
G cells (pronounced: /ɡiː sɛl/) are a type of cell that are located in the stomach and the duodenum. They are responsible for the secretion of gastrin, a type of hormone that stimulates the production of gastric acid.
Etymology
The term "G cell" is derived from the word "gastrin", the hormone that these cells produce. The letter "G" stands for "gastrin".
Function
G cells are endocrine cells, meaning they secrete hormones directly into the bloodstream. The primary function of G cells is to produce and secrete gastrin in response to certain stimuli, such as the presence of protein in the stomach. Gastrin then stimulates the parietal cells in the stomach to produce and secrete gastric acid, which aids in the digestion of food.
Related Terms
- Gastrin: A hormone produced by G cells that stimulates the production of gastric acid.
- Parietal cell: A type of cell in the stomach that produces gastric acid in response to gastrin.
- Endocrine cell: A type of cell that secretes hormones directly into the bloodstream.
- Gastric acid: A digestive fluid produced in the stomach that aids in the digestion of food.
See Also
External links
- Medical encyclopedia article on G cell
- Wikipedia's article - G cell
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