GI model, hepato-pancreatic region: gallbladder with rugae  |   section of the liver  | cystic duct |  hepatic duct |  common bile duct | adrenal gland |  right kidney |  left kidney | spleen  |  splenic artery  |  splenic vein | primary pancreatic duct  | accessory pancreatic duct  | hepato-pancreatic sphincter (sphincter of Oddi)   | duodenum with plicae circularis (circular folds)  | pancreas  |