Menna Abdel-Dayem

Very short questions

1. What are the 4 layers of lining of the GIT?

2. What is the mucosa made of? Describe each.

3. What is in the submucosa of the gasro instinal tract? describe specialization in each part of the tube.

4. Where in the GIT is there skeletal muscle in the musculosa layer?

5. What type of epithelium is in the inner and outer surfaces of the lips?

6. What epithelium is lining the oesophagus?

7. What is the epithelium lining the gastric mucosa?

8. Where are mucous neck cells found? Describe the light and electron microscopic pictures of the cell.

9. Where are chief cells found? how are they shaped? Describe the light and electron microscopic pictures.

10. How many layers does the gastric musculosa have? What are they?

11. Where are villi the longest?

12. What is intestinal epithelium?

13. What do enterocytes look like? Describe the light and electron microscopic pictures.

14. Where are goblet cells most numerous in the small intestine?

15. Where are paneth cells? How are the identified?

16. What are collections of immune stem cells in the intestine called? Where are they found?

17. Describe the epithelium in large intestine?

18. Mention the anal canal epithelium and changes?

19. Histologically what differentiates the duodenum from the jejunum?

20. Where are parietal cells found and how do they appear? Describe the light and electron microscopic pictures