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Colon Crypts of Lieberkuhn Mucosa. GI Tract MucosaSubmucosa Circular Portion of the Muscularis Externum Longitudinal Portion of the Muscularis Externum.

Published bySharon Roberts Modified over 9 years ago

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Presentation on theme: "Colon Crypts of Lieberkuhn Mucosa. GI Tract MucosaSubmucosa Circular Portion of the Muscularis Externum Longitudinal Portion of the Muscularis Externum."— Presentation transcript:

1 Colon Crypts of Lieberkuhn Mucosa

2 GI Tract MucosaSubmucosa Circular Portion of the Muscularis Externum Longitudinal Portion of the Muscularis Externum

3 Mesothelium Simple Squamous Epithelium Cells

4 Esophagus Epithelium Lamina Propria Muscularis Mucosa Mucosa Submucosa (connective tissue) Circular Portion of the Muscularis Externum Longitudinal Portion of the Muscularis Externum Muscularis Externum

5 Transition Between Esophagus & Cardiac Portion of the Stomach EsophagusCardiac Portion of the Stomach Stratified Squamous Epithelium Simple Columnar Epithelium Mucosal Glands

6 Stomach Mucosa Submucosa Muscularis Externum

7 Stomach Gastric Gland Pits Simple Columnar Epithelium

8 Pyloric Portion of the Stomach Pyloric Glands Lamina Propria Muscularis Mucosa Submucosa

9 Transition for Pylorus to Duodenum PylorusDuodenum Glands of Brunner

10 Duodenum (Small Intestine) Villi Crypts of Lieberkuhn Submucosa Muscularis Externum

11 Duodenum (Small Intestine) Crypts of Lieberkuhn Submucosa Glands of Brunner (Secrete alkaline mucus & found only in duodenum)

12 Cross-Section of Crypts Crypts of Lieberkuhn (secretes intestinal digestive enzymes & mucus Lamina Propria

13 Jejunem (Small Intestine) Villi (increases surface area) Crypts of Lieberkuhn

14 Cross-Section of Villi Muscularis Mucosa Circular Portion of the Muscularis Externum Longitudinal Portion of the Muscularis Externum Villi Crypts of Lieberkuhn

15 Cross-Section of Villi Lamina Propria Goblet Cells (secret mucus For lubrication)

16 Jejunem (Small Intestine) Villi Mucosa Submucosa

17 Ileum (Small Intestine) Crypts of Lieberkuhn Peyer’s Patches (dense lymphatic tissue; located in submucosa)

18 Appendix Fat Cells Crypts of Lieberkuhn

19 Appendix Crypts of Lieberkuhn Goblet Cells Lymphocytes (in Lamnia Propria)

20 Colon Serosa (finished edge; if the organ is against the body cavity wall then a serosa is not needed)

21 Muscularis Externum Circular Portion Longitudinal Portion Aurbach’s Myenteric Plexus

22 Aurbach’s Plexus Neurons (Dark Spots)

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