Laboratory - Gastrointestinal Tract, Pancreas and Liver
Gross Anatomy of the Digestive Tract
Oral cavity
uvula
parotid gland
Pharynx
Esophagus
lower esophageal sphincter (cardiac sphincter)
Stomach
pyloris
rugae
pyloric sphincter
Small intestine
duodenum
jejunum
ileum
Colon
ileocecal valve
cecum
appendix
ascending colon
transverse colon
descending colon
sigmoid colon
Rectum
Gross anatomy of the Liver and Gallbladder
gallbladder
hepatic duct
common bile duct
hepatic veins and arteries
hepatic portal vein
Gross anatomy of the Pancreas
pancreatic duct
Structure of Duodenum
Mucosa
simple columnar epithelium - Digestive epithelium surrounding the intestinal villi
Lacteals - terminal lymphatics inside of the villi
Duodenal glands extend into the mucosa
Submucosa
Duodenal glands (Brunner's glands)
Lymphatic nodules
Muscularis externa
inner circular layer
outer longitudinal layer
Serosa
© David G. Ward, Ph.D. Last modified by wardd 23 May, 2006