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1. cell type of the diffuse neuroendocrine system located in the digestive tract, mostly stomach and duodenum, which produces glucose-dependent insulinotropic polypeptide (GIP) on stimulation by the presence of lipids in the lumen of the stomach and duodenum. GIP facilitates the secretion of insulin by pancreatic beta cells.
2. Synonym(s): killer cells
An enteroendocrine cell that produces gastric inhibitory peptide (glucose-dependent insulinotropic peptide) and is found in the small intestine. This peptide stimulates the beta cells of the pancreas to secrete insulin.
See also: cell