Hierarchia anatomiczna

Anatomia ogólna > Układ pokarmowy > Jelito cienkie > Warstwa mięśniowa

Anatomia dzieci


Tłumaczenia

Opis

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.


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