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A diagram of the digestive system.

Digestive System

A diagram of the digestive system.

Mucosa of small intestine in idea vertical cross section

Wall of Small Intestine

Mucosa of small intestine in idea vertical cross section

Showing the connection of the small intestine to the thoracic duct by the lacteals lying in the mesentery. Label: Th, thoracic duct.

Lacteals

Showing the connection of the small intestine to the thoracic duct by the lacteals lying in the mesentery.…

Section of mucous membrane of the small intestine. One the left a villus is seen in seen in section. Labels, the epithelial covering, the blood-vessels, the basement membrane, or sub epithelial layer, spaces for reception of the chyle, origin of a lacteal vessel. On the right is a follicular depression in the mucous membrane, with, the cells lining it and the sub epithelial layer.

Mucous Membrane

Section of mucous membrane of the small intestine. One the left a villus is seen in seen in section.…

Lymphatics of the small intestine.

Lymphatics of the Small Intestine

Lymphatics of the small intestine.

Piece of the small intestine cut open to show wrinkling of inner coat bearing villi.

Villi of Small Intestine

Piece of the small intestine cut open to show wrinkling of inner coat bearing villi.

Villi of small intestine.

Villi of the Small Intestine

Villi of small intestine.