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Digestive . Esophagus. Stratified squamous epithelium Submucosa The muscularis externa Esophageal glands . A. B. C. D. E. B. A. A. B. C. D. E. Stomach. A: Simple columnar epithelium. B: Gastric gland C: Submucosa D: Muscularis externa. A. B. C. D. A. B. C. D. A.
E N D
Esophagus Stratified squamous epithelium • Submucosa • The muscularisexterna • Esophageal glands.
A B C D E
B A
A B C D E
Stomach A: Simple columnar epithelium. B: Gastric gland C: Submucosa D:Muscularis externa A B C D
A B C D
A B C
A B C
Small Intestine (duodenum) A: Simple columnar with a striated border B: Mucosa or lamina propria C: Submucosa with Brunner’s glands. D: Inner circular of muscularisexterna. E: Outer longitudinal of muscularisexterna. A B C D E
A B C D E
A B C
Small Intestine (Jejunum) A: Epithelium is simple columnar with striated border B: Mucosa C: Submucosa D: Muscularisexterna A C B D
A B C D
Small Intestine (Ileum) A: Simple columnar with striated border B: Mucosa. C: Submucosa D: Muscularisexterna D B C A
Auerbach’s Plexus A: Outer longitudinal layer of muscualrisexterna. B: Auerbach’s nerve plexes C: Inner Circular of muscularisexterna. A B C
Meissner’s Plexus LP: Lamina Propria. MM: Muscularis mucosa SM: Submucosa. PG: Meissner’splexes
Large Intestine A: Simple columnar epithelium. B: Goblet cells C: Mucosa. D: Muscularis mucosa. E: Submucosa B D C E A
Liver A: Hepatic triad B: Hepatic lobule C: Gallbladder D: Hepatic sinusoids E: Von Kupffer cells 9 D E A C B
C B A
Pancreas A: Pancreatic acini B: Islets of Langerhans are endocrine structures. B A B