HENNING DALHOFF / SCIENCE PHOTO LIBRARY HENNING DALHOFF / SCIENCE PHOTO LIBRARY
Duodenum, pancreas and gall bladder. Illustration of the region of the small intestine where the pancreas (yellow) and gall bladder (green) discharge digestive fluids. The pancreas lies behind the stomach (partially shown). Cells in the pancreas secrete digestive juices and the hormones insulin and glucagon, which regulate blood sugar levels. The digestive juices collect in a central duct that joins with the common bile duct that brings bile from the gall bladder. These digestive juices are discharged into the duodenum, the beginning of the small intestine that receives food from the stomach. The discharge point is known as the ampulla of Vater (or the hepatopancreatic duct).
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