8. The Gut

Question 1

What are the 8 histological layers of the gut wall?

Answer 1

• Epithelium
• Basement membrane
• Lamina propria
• Muscularis mucosae
• Submucosa
• Muscularis propria inner circular layer
• Muscularis propria outer longitudinal layer
• Adventitia =/- serosa

Question 2

What are 9 histological layers of the stomach?

Answer 2

• Epithelium
• Basement membrane
• Lamina propria
• Muscularis mucosae
• Submucosa
• Muscularis propria innermost oblique
• Muscularis propria middle circular
• Muscularis propria outermost longitudinal
• Adventitia + serosa