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消化管 Digestive tract

消化管 Digestive tract. 掌握 消化管的各层结构,以粘膜层为主 掌握 大、小消化腺的结构特征. Slide (11 张 ) : 2, 4 , 6 , 49 , 50 , 51, 52 , 53 , 54 , 55 , 56 示教: 电镜 ( 6 张): 主细胞、壁细胞、杯状细胞 潘氏细胞、内分泌细胞 ( 2 张). Slide49 : 舌体 ( Body of tongue ). 分四层(内 外) :. 上皮 固有层 ( 腺体 , 淋巴组织 )

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消化管 Digestive tract

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  1. 消化管 Digestive tract

  2. 掌握消化管的各层结构,以粘膜层为主掌握大、小消化腺的结构特征掌握消化管的各层结构,以粘膜层为主掌握大、小消化腺的结构特征 Slide (11张): 2, 4, 6, 49,50,51, 52,53,54,55,56 示教: 电镜(6张):主细胞、壁细胞、杯状细胞 潘氏细胞、内分泌细胞(2张)

  3. Slide49:舌体(Body of tongue)

  4. 分四层(内 外): 上皮 固有层 (腺体,淋巴组织) 粘膜肌层 消化管壁一般结构 • 粘膜: • 粘膜下层: • 肌层: • 外膜: LCT。腺体,神经丛,淋巴组织 骨骼肌/平滑肌、肌间神经丛 疏松结缔组织

  5. 肌间神经丛(myenteric nerve plexus)

  6. 肌间神经丛(myenteric nerve plexus)

  7. Slide50:咽(pharynx)

  8. Slide6:食管(Esophagus)

  9. 粘膜肌层

  10. 食管-胃交界(esophase-stomach juncture)

  11. Slide51:胃底(fundus of stomach)

  12. 问: 从胃底粘膜的组织结构说明胃的功能。

  13. 胃底腺(fundic gland)

  14. 胃底腺(fundic gland)

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

  16. Slide52:胃幽门部(pyloric region of stomach)

  17. Slide53:十二指肠(duodenum) 问: 小肠粘膜结构与小肠吸收功能的关系。

  18. 皱襞

  19. 肠绒毛(intestinal villus)

  20. 示教:中央乳糜管(central lacteal)

  21. 十二指肠腺(duodenal gland)

  22. Slide4:空肠(jejunum)

  23. Slide54:回肠(ileum)

  24. 示教:嗜银细胞(argyrophilic cell)

  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. 小肠腺的潘氏细胞和内分泌细胞 潘氏细胞(Paneth cell)

  28. Slide55:结肠(ileum)

  29. Slide2:阑尾(appendix)

  30. Slide56:直肠-肛门交界(rectum-annus juncture)

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