![Page 1: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/1.jpg)
Histology of the Digestive System
Basic Histological Layers1. Mucosa
a. Epitheliumb. Lamina Propriac. Muscularis Mucosae
2. Submucosaa. Submucosal plexus
“Plexus of Meissner”3. Muscularis
a. Myenteric plexus“Plexus of Auerbach
4. Serosa
![Page 2: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/2.jpg)
Histology of the Mucosa
Simple ColumnarLarge Intestine
Nonkeratinized Stratified SquamousEsophagus
Nonkeratinized Stratified SquamousAnus
Simple ColumnarSmall Intestine
Simple ColumnarStomach
Nonkeratinized Stratified SquamousPharynx
Nonkeratinized Stratified SquamousMouth
EpitheliumOrgan
![Page 3: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/3.jpg)
Histology of the Mucosa
L: Plicae circulares, Villi S: Crypts of Lieberkuhn, microvilli
Small Intestine
L: Haustra S: Intestinal glandsLarge Intestine
L: Rugae, S: gastric pitsStomach
noneEsophagus
Folds of the epitheliumOrgan
![Page 4: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/4.jpg)
Histology of the Submucosa
Brunner’s glandsDuodenum
NoneLarge Intestine
Peyer’s PatchesIleum
NoneStomach
Submucosal mucous glandsEsophagus
Specialized structuresOrgan
![Page 5: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/5.jpg)
Histology of the Muscularis
2, circular and longitudinalSmall Intestine
2, circular and longitudinalLarge Intestine
3, oblique, circular, and longitudinalStomach
2, circular and longitudinalEsophagus
Smooth muscle layersOrgan
![Page 6: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/6.jpg)
Histology of the Serosa
Visceral Peritoneum Large Intestine
AdventitiaAnus
Visceral Peritoneum Small Intestine
Visceral Peritoneum Stomach
Adventitia due to the fact that the esophagus is not in a cavity
Esophagus
SerosaOrgan
![Page 7: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/7.jpg)
Esophagus
![Page 8: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/8.jpg)
Esophagus
![Page 9: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/9.jpg)
Esophagus
![Page 10: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/10.jpg)
Esophagus of cat
![Page 11: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/11.jpg)
Stomach fundus Mucosa
1. Shallow gastric pits2. Simple branched tubular
glands3. Crowded glands with
minimal CT lamina propria
![Page 12: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/12.jpg)
Stomach fundus Mucosa
![Page 13: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/13.jpg)
Stomach fundus Mucosa
![Page 14: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/14.jpg)
Stomach fundus Mucosa
![Page 15: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/15.jpg)
Fundus Mucosa:Parietal acidophilic cells and chief basophilic cells
![Page 16: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/16.jpg)
Stomach Pylorus Mucosa
![Page 17: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/17.jpg)
Stratified sq epithelium
![Page 18: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/18.jpg)
No Stratified sq epithelium
![Page 19: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/19.jpg)
Small intestineVilli and crypts
![Page 20: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/20.jpg)
TS view of the duodenumBrunner’s glands
![Page 21: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/21.jpg)
Duodenum: Brunner’s glands
![Page 22: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/22.jpg)
Ileum: Peyer’s patches
![Page 23: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/23.jpg)
Ileum: Peyer’s patches
![Page 24: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/24.jpg)
Appendix lymphoid follicles all around
![Page 25: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/25.jpg)
lymphoid follicles all around, no villi
![Page 26: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/26.jpg)
High power view of the colon demonstrating intestinal glands
![Page 27: Basic Histological Layers 1. Mucosa b. Lamina …...Histology of the Digestive System Basic Histological Layers 1. Mucosa a. Epithelium b. Lamina Propria c. Muscularis Mucosae 2. Submucosa](https://reader034.vdocuments.mx/reader034/viewer/2022042922/5f6d16713cd474103405c7ae/html5/thumbnails/27.jpg)
Large Intestine