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muscular coat

^ http://purl.obolibrary.org/obo/UBERON_0006660


A region of muscle in many organs in the vertebrate body, adjacent to the submucosa membrane. It is responsible for gut movement such as peristalsis. [ http://en.wikipedia.org/wiki/Muscular_layer ]

Synonyms: muscular layer, tunica muscularis, muscularis layer

Term info

database cross reference
RO 0002171

http://purl.obolibrary.org/obo/UBERON_0000009, http://purl.obolibrary.org/obo/UBERON_0006676

UBPROP 0000001

An outer layer of smooth muscle surrounding a hollow or tubular organ as the bladder, esophagus, large intestine, small intestine, stomach, ureter, uterus, and vagina that often consists of an inner layer of circular fibers serving to narrow the lumen of the organ and an outer layer of longitudinal fibers serving to shorten its length[BTO].

UBPROP 0000008

typically smooth muscle, but there may be exceptions - in the upper esophagus, part of the externa is skeletal muscle, rather than smooth muscle.

editor note

currently this class conflates a generic layer of muscle and a specific layer found lining the digestive tract (the muscularis externa), typically composed of circular and longitudinal layers (although this varies)

has related synonym

muscularis propria, tunica externa, muscularis externa, muscular coat, transverse muscular fibers, tunica muscularis, muscularis

id

UBERON:0006660

prefLabel

Muscle layer