The Duodenum

• Site of majority of chemical digestion


  duodenum
• Receives secretions from

  gallbladder, pancreas, and liver
• Liver produces bile that drains from


  hepatic ducts into common hepatic duct
• Common hepatic duct unites with


  cystic duct of gallbladder to form common bile duct
• Common bile duct unites


  pancreatic duct to form hepatopancreatic ampulla
• Empties bile and pancreatic juice into

  duodenum - sphincter of Oddi regulates release into duodenum