Digital Histology
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Duodenum

This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x

Mucosa <p>This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x</p>

Mucosa

This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x
- Intestinal glands <p>This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x</p>

- Intestinal glands

This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x
Submucosa <p>This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x</p>

Submucosa

This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x
- Brunner's glands (submucosal glands) <p>This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x</p>

- Brunner's glands (submucosal glands)

This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x
- Duct of Brunner’s gland <p>This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x</p>

- Duct of Brunner’s gland

This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x
Villi <p>This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x</p>

Villi

This image of a plica circularis shows evaginations (villi) and invaginations (intestinal glands) of the mucosal epithelium.  Ducts of Brunner’s glands drain into the bases of the intestinal glands.  The presence of Brunner’s glands in the submucosa is a diagnostic feature of the duodenum.  40x
Main SlideMucosa - Intestinal glandsSubmucosa - Brunner's glands (submucosal glands) - Duct of Brunner’s glandVilli