Pancreas Gall Bladder

The pancreas is a complex organ that has both a digestive function and an endocrine function. The digestive function of the pancreas consists of producing enzymes for the digestion of materials in the small intestine and the secretion of buffers to increase the pH of the fluid secreted from the stomach. The pancreas has a head, next to the duodenum, a main body and a tail near the spleen. The enzymes and buffers secreted into the small intestine flow into the pancreatic duct before entering the small intestine.

The gall bladder receives bile from the liver, storing and condensing it prior to secreting it into the small intestine. Bile is an emulsifier of fats, making them disperse in the liquid chyme of the digestive tract. Bile flows from the left and right hepatic ducts, into the common hepatic duct, into the cystic duct then entering the gall bladder. When the gall bladder contracts, bile moves back out the cystic duct and into the common bile duct before entering the small intestine. Usually the common bile duct and the pancreatic duct join before they enter the small intestine. In this case the tube is called the hepatopancreatic ampulla and it leads to the duodenal papilla. Label the parts of the pancreas, gall bladder and ducts and color them in.

Pankreas Water Ampulla

Answer Key: a. Gall bladder, b. Pancreas, c. Duodenum, d. Head, e. Body, f. Tail, g. Right hepatic duct, h. Cystic duct, i. Duodenal papilla, j. Left hepatic duct, k. Common hepatic duct, I. Common bile duct, m. Pancreatic duct

Pancreat Duct

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