Participation of the jejunum and ileum in postprandial gastric secretion in man.

The role of the small intestine in postprandial gastric secretory function was determined in 6 normal volunteers by diverting chyme at the ligament of Treitz and comparing the results with those obtained in the same individuals when chyme was exposed to the entire small intestine. Because diversion of chyme caused a lesser gastric secretory response, it is concluded that the small intestine contributes appreciably to the magnitude of gastric secretory responses to meals.