accessory pancreatic duct amylase anal canal anal columns anal sinuses anal valves anatomy angular incisure anus aorta artery ascending colon bile cardia cardiac glands cecum celiac ganglia cholecystokinin circular folds common bile duct descending colon duodenal bulb duodenojejunal flexure embryology epiploic appendix esophagus foregut fundic glands gastric bypass surgery gastric pits gastrointestinal tract greater curvature of the stomach gut-associated lymphoid tissue haustra hepatic flexure houston valve human anatomy ileocecal valve ileum inferior pancreaticoduodenal artery inferior vena cava intestinal villus intestine jejunum large intestine latin lesser curvature of the stomach lipase liver lymph major duodenal papilla medical college of georgia medical subject headings midgut minor duodenal papilla mucus muscularis mucosae nasopharynx nerve oropharynx pancreas pancreatic duct pancreaticoduodenal veins pectinate line pharynx pyloric antrum pyloric canal pyloric glands pylorus rectal ampulla rectum rugae secretin sigmoid colon small intestine sphincter ani externus muscle sphincter ani internus muscle splenic flexure stomach superior pancreaticoduodenal artery suspensory muscle of the duodenum taenia coli torso transverse colon trypsin upper esophageal sphincter vein vermiform appendix vertebral column wiktionary