Abstract
Summary
Acid in upper small intestine causes immediate inhibition of gastric motility. Sixteen dogs were prepared with gastric fistula and/or Heidenhain pouch plus a Maydl fistula of upper jejunum. After control studies, the animals were (1) vagotomized; (2) totally sympathectomized; (3) both vagotomized and sympathectomized or (4) celiac ganglionectomized. Inhibitory effect of acid in the jejunum on gastric motility was still present after either or both vagotomy and sympathectomy. However, no inhibition was produced after celiac ganglionectomy. This study indicates the pathway for enterogastric reflex is through the post ganglionic sympathetics.
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