motilin
hormone
Quick Summary
Motilin is a hormone secreted by the L cells in the small intestine, primarily between meals. Its presence in the blood stimulates contractions in the stomach's fundus and antrum, which speeds up gastric emptying. Motilin also causes the gallbladder to contract and increases the pressure of the lower esophageal sphincter. Intestinal glucagon, another hormone secreted by L cells in response to carbohydrates and triglycerides, influences intestinal motility and mucosal growth.12
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