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Overview

A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x

Mucosa <p>A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x</p>

Mucosa

A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x
- Villi <p>A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x</p>

- Villi

A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x
- Intestinal glands <p>A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x</p>

- Intestinal glands

A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x
Submucosa <p>A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x</p>

Submucosa

A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x
- Plica circularis > <p>A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x</p>

- Plica circularis >

A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x
Muscularis externa <p>A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x</p>

Muscularis externa

A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x
Serosa <p>A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x</p>

Serosa

A section of the small intestine displays the four layers of this organ, as well as structures that increase surface area, villi and plicae circulares. Villi have a core of lamina propria covered by intestinal epithelium, including microvilli on the absorptive cells. Each plica has a core of submucosa that is overlain by all mucosal layers, including villi. 100x
Main SlideMucosa - Villi - Intestinal glandsSubmucosa - Plica circularis >Muscularis externaSerosa