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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>

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>

- 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>

- 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>

- 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>

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>

- 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>

- 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>

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>

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
Main SlidePyloric stomach - Sheet gland - Gastric pits - Pyloric glandsDuodenum - Villi - Intestinal glandsMuscularis mucosaeBrunner’s glands (submucosal glands)