muscularis externa

(redirected from Outer longitudinal layer)

muscularis externa

[‚məs·kyə′lar·əs ek′stər·nə]
(histology)
The layer of the digestive tube consisting of smooth muscles.
References in periodicals archive ?
The tunica muscularis was made up of two layers of smooth muscles; inner circular and outer longitudinal layer.
The muscular layer consists of smooth muscle cells that form an inner circular and outer longitudinal layer (relatively thinner than the former (Fig.
The muscularis externs of the stomach is traditionally described as consisting of an outer longitudinal layer, a middle circular layer, and an inner oblique layer.