Suppression of gastric acid secretion by the duodenum and small bowel.
D000818:Animals; D004285:Dogs; D004386:Duodenum / Q000502:physiology*; D005750:Gastric Juice / Q000502:physiology*; D007082:Ileum / Q000502:physiology; D007421:Intestine, Small / Q000502:physiology*; D007583:Jejunum / Q000502:physiology