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Gastro-duodenal junction
At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x
![Pyloric stomach <p>At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.Tub_.Stom_.Reg-13-1-ping.png)
Pyloric stomach
At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x
![- Sheet gland <p>At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.Tub_.Stom_.Reg-13-3-ping.png)
- Sheet gland
At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x
![- Gastric pits <p>At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.Tub_.Stom_.Reg-13-4-ping.png)
- Gastric pits
At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x
![- Pyloric glands <p>At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.Tub_.Stom_.Reg-13-5-ping.png)
- Pyloric glands
At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x
![Duodenum <p>At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.Tub_.Stom_.Reg-13-2-ping.png)
Duodenum
At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x
![- Villi <p>At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.Tub_.Stom_.Reg-13-6-ping.png)
- Villi
At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x
![- Intestinal glands <p>At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.Tub_.Stom_.Reg-13-7-ping.png)
- Intestinal glands
At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x
![Muscularis mucosae <p>At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.Tub_.Stom_.Reg-13-8-ping.png)
Muscularis mucosae
At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x
![Brunner’s glands (submucosal glands) <p>At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.Tub_.Stom_.Reg-13-9-ping.png)
Brunner’s glands (submucosal glands)
At the gastro-duodenal junction, the mucus-secreting, simple columnar epithelium (sheet gland) of the pylorus changes to a simple columnar epithelium of absorptive cells (enterocytes) and goblet cells in the duodenum. Additionally, the duodenum can be differentiated by its villi and by submucosal gland (Brunner’s glands) in the submucosa. 100x