Description

The muscular coat (tunica muscularis) consists of two layers of unstriped fibers: an external, longitudinal, and an internal, circular layer.

The longitudinal fibers are thinly scattered over the surface of the intestine, and are more distinct along its free border.

The circular fibers form a thick, uniform layer, and are composed of plain muscle cells of considerable length.

The muscular coat is thicker at the upper than at the lower part of the small intestine.


Cette définition contient du texte provenant d'une édition publique de Gray's Anatomy (20eme édition Américaine de "Gray's Anatomy of the Human Body" publiée en 1918 - http://www.bartleby.com/107/).

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