A hormone produced by cells in the stomach lining. Gastrin causes the stomach to produce more acid and helps to propel food through the digestive tract. (See also gastrointestinal hormones.)
A hormone produced by the MUCOUS MEMBRANE in the pyloric part of the STOMACH. The arrival of food stimulates production of the hormone which in turn stimulates the production of gastric juice.
n. a hormone produced in the mucous membrane of the pyloric region of the stomach (see G-cell). Its secretion is stimulated by the presence of food. It is circulated in the blood to the rest of the stomach, where it stimulates the production of *gastric juice.
n. a rare tumour that secretes the hormone gastrin, which stimulates excessive gastric acid production. Such tumours most frequently occur in the pancreas; about half of them are malignant. Patients present with intractable gastroduodenal ulceration, abdominal pain, and diarrhoea (the *Zollinger–Ellison syndrome). Gastrinomas may be a feature of *MENS type 1.... gastrinoma
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