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Enterogastric reflex : ウィキペディア英語版
Enterogastric reflex

The enterogastric reflex is one of the three extrinsic reflexes of the gastrointestinal tract, the other two being the gastrocolic reflex and the gastroileal reflex. The enterogastric reflex is stimulated in the duodenum by a pH of 3-4 and in the stomach by a pH of 1.5. Upon initiation of the reflex, the release of gastrin by G-cells in the antrum of the stomach is shut off. This in turn inhibits gastric motility and the secretion of gastric acid (HCl).
==Emptying inhibitory factors==
The stomach's contents are inhibited from emptying into the small intestine by
* duodenal acidic pH
* duodenal distension
* duodenal hypertonicity
* sympathetic stimulation
* intense pain
* increased osmolarity of gastric chyme

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Enterogastric reflex」の詳細全文を読む



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