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A portion of the small intestine opened to show the valvulae conniventes.

Small Intestine Portion

A portion of the small intestine opened to show the valvulae conniventes.

A portion of the intestine, with mesentery and vessels. The peritoneal coat has been removed from the right half, and the two layers of the muscular coat exposed.

Small Intestine with Mesentery and Vessels

A portion of the intestine, with mesentery and vessels. The peritoneal coat has been removed from the…

A portion of the small intestine opened to show the valvulae conniventes (folds).

Small Intestine

A portion of the small intestine opened to show the valvulae conniventes (folds).

Villi of the small intestine, magnified about 80 diameters. In the left-hand figure the lacteals, a,b,c, are filled with white injection; d, blood-vessels. In the right-hand figure the lacteals alone are represented, filled with a dark injection. The epithelium covering the villi, and their muscular fibers are omitted.

Small Intestine Villi

Villi of the small intestine, magnified about 80 diameters. In the left-hand figure the lacteals, a,b,c,…

The small intestine, a convoluted, tubular, digestive organ, about 20 ft in length, extending from the pylorus to the ileo-caecal valve, where it terminates in the large intestine. It is connect to the spinal column by the mesenteric portion of the peritoneum, and divided into 3 parts, the duodenum (d), the jejunum, and the ileum (i).

The Small Intestine

The small intestine, a convoluted, tubular, digestive organ, about 20 ft in length, extending from the…

Villi of the small intestine. Villa are minute, vascular processes which project from the mucous membrane of the small intestine throughout its whole extend, giving to its surface a velvety appearance.

Villi of the Small Intestine

Villi of the small intestine. Villa are minute, vascular processes which project from the mucous membrane…

Villi of the small intestine; magnified about 80 diameters. In the right hand figure the lacteals, a, b, c, are filled with white injection; d, blood vessels. In the left-hand figure the lacteals alone are represented, filled with a dark injection. The epithelium covering the villi, and their muscular fibers, are omitted.

Villi of the Small Intestine

Villi of the small intestine; magnified about 80 diameters. In the right hand figure the lacteals, a,…

Vill of the small intestine.

Villi of the Small Intestine

Vill of the small intestine.