bile ducts. digestive system

abdomen abdominal anatomical anatomy bile biology bladder body cancer care cholelithiasis cirrhosis common cystic diagram digestion digestive disease duct ducts duodenal duodenum esophagus form gall gallbladder gallstones gastrointestinal gut health healthcare hepatic human humans illness inflammation internal intestine liver major medical medicine metabolism opens organ pain pancreas pancreatic papilla science secreted stomach surgery system then tract vector which