PMID: 6989456Feb 9, 1980Paper

The gastrointestinal endocrine system

Canadian Medical Association Journal
N S Track

Abstract

Gastrointestinal endocrinology is the study of the hormonal regulation of digestion. A number of characterized polypeptide hormones have been localized in specific gastroenteropancreatic endocrine cells. The fact that some of these hormones are also found in nerve and brain cells has given rise to the concept of a gut-brain axis. The functional capacities of these endocrine cells are determined by their anatomic location; the luminal exposure of gastroenteric endocrine cells represents an additional avenue for stimulation and release that is not open to pancreatic endocrine cells. Gastroenteropancreatic hormones regulate carbohydrate metabolism, gastric acid secretion, pancreatic exocrine and gallbladder function, gastrointestinal motility and blood flow. These important regulatory hormones may in turn be controlled by a series of gastroduodenal releasing hormones.Diabetes mellitus is the most important metabolic disorder related to a gastroenteropancreatic hormone imbalance. Most tumours producing these hormones are of pancreatic origin and produce a number of hormones; insulinomas and gastrinomas are detected readily because of the serious metabolic distrubances they cause. Other instances of altered circulating concentration...Continue Reading

Related Concepts

Diabetes Mellitus
Diarrhea
Digestion
Gastrointestinal System
Gastric Juice
Enteric Hormones
Pancreas
Pancreatic Hormones
Malignant Neoplasm of Pancreas
Carbohydrate Metabolism

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