somatostatin
somatostatin (growth-hormone inhibiting hormone, GHIH) (soh-mă-toh-stay-tin) n. a hormone, produced by the hypothalamus and some extraneural tissues, including the gastrointestinal tract and the pancreas (see D cells), that inhibits the secretion of many hormones, including growth hormone (somatotrophin), insulin, and glucagon. s. analogue a drug, such as lanreotide or octreotide, used to treat symptoms caused by neuroendocrine tumours, including carcinoid syndrome.
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somatostatin
