1. Digestive tract Esophagus (No.2) Stomach (No.25)
Small intestine (No.1)
Large intestine (No.26)
Appendix (No.27)
下周Quiz2: 皮肤，循环，免疫，消化管
School of Medicine, Zhejiang University 周俊

2. Mucosa
Submucosa
Muscularis externa
Adventitia
Esophagus

3. Mucosa Epi. Submucosa LCT, glands Muscularis externa Lamina propria
Muscularis mucosae
Submucosa
LCT, glands
Muscularis externa

4. Mucosa
Epi.
Lamina propria
Muscularis mucosae

5. Mucus –secreting glands in the submucosa

6. Esophagus: adventitia

7. 食管－胃交界（esophageal-gastric junction）

8. Mucosa
Submucosa
Muscularis externa
Stomach
Serosa

9. Mucosa of stomach Epithelium (mucus secreting cells) Parietal cell
Lamina propria
Chief cell
Muscularis mucosae
Mucosa of stomach

10. Mucosa Epithelium Mucus secreting cells Lamina propria
CT, Gastric gland
Muscularis mucosae
Stomach

11. Parietal cells In the neck and body of the glands Column or pyramidal
Eosinophilic cytoplasm
Parietal cells

12. Chief cells In the body and base of the glands Columnar
Basophilic cytoplasm
Chief cells

13. 胃底腺（fundic gland）

14. 主细胞（chief cell）
壁细胞（parietal cell）

16. 胃幽门部（pyloric region of stomach）

17. Small intestine Mucosa epi. lamina propria muscularis mucosa Submucosa
Muscularis externa
Serosa
Luminal surface modification:
1.Plicae circulares
2.Intestinal villi
3.Microvilli

18. Mucosa
Submucosa
Muscularis externa
Serosa
Human jejunum

19. Villus Epithelium 1.absorptive cell striated border (microvilli)
2.Goblet cell
Lamina propria
CT+SM

20. 肠绒毛（intestinal villus）

21. 示教：中央乳糜管（central lacteal）
锇酸染色

22. Striated border（纹状缘）/ microvilli （微绒毛）

24. at the base Paneth cells
Intestinal glands
Columnar cells
Goblet cells
at the base Paneth cells
（潘氏细胞）
At the base of the crypts
3-5 in a group
Acidophilic G.

25. 示教：小肠潘氏细胞（Paneth cell）以回肠多见

26. 示教：小肠潘氏细胞（Paneth cell）以回肠多见

27. Muscularis Mucosa （肌层）
Inner circular SM
Outer longitudinal SM
Myenteric plexus
（肌间神经丛）

28. Serosa CT
Mesothelium（most is lost)

29. 十二指肠腺（duodenal gland）

30. Large intestine

31. No villi
No Paneth cell
Numerous Goblet cells

32. Large intestine: Muscularis externa with myenteric plexus

33. Appendix

34. 直肠－肛门交界（rectum-anus juncture）

35. 实验报告：
拍典型图片1-2张，word上传
文件名：姓名-学号-Digestive tract（ ）
Small Intestine or stomach
1.Low power: 4 layers
2.High power:
Paneth cell
or parietal cell, chief cell

36. The end!