Bile Juice is produced by the liver and stored and concentrated in the Gall Bladder and later released in response to Cholecystokinin and other hormones released by the epithelial cells of Duodenum (the most proximal part of Small Intestine). read more
intestinal mucosa releases cholecystokinin in response to proteins and fats in the small intestine, the hepatopancreatic sphincter relaxes when peristaltic wave in duodenal wall approaches squirting bile into small intestine. read more