muscular layer


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muscular layer

[TA]
the muscular, usually middle, layer of a tubular structure; for most of the gastrointestinal tract, it consists of an outer longitudinal layer of muscle and an inner circular layer.
Synonym(s): tunica muscularis [TA], muscular coat
References in periodicals archive ?
Stage I: The cancer cells have transferred to the muscular layer of the colon but the lymph node hasn't been invaded yet.
Foci of endometriosis externa infiltrating the muscular layer were detected on histopathological examination.
we have the physical barrier of the smooth muscular layer of the
Endoscopic ultrasonography of the colon revealed intestinal stenosis at 4 cm above the anal verge, and ultrasonography revealed a thickened muscular layer of 12.3 mm [Figure 1]c.{Figure 1}
Histopathology of the appendix showed double appendix with separate serosal and muscular layers for short distance and separate mucosa and common muscular layer for the rest of length.
Five parameters, including the height, width, density and surface area of the rumen papillae, and the muscular layer thickness, were used to determine the effects of different ratios of dietary amylose/amylopectin on the ruminal morphology of fattening lambs at 21, 35, 56, and 77 days of age.
The muscular layer is constructed with inner circular muscle and outer longitudinal muscle, but the inner circular muscle is thicker than the outer longitudinal muscle.
Most cervical lacerations are best evaluated in diestrus, as the increased cervical tone facilitates assessment of the apposition of cervical folds and damage to the muscular layer. Digital palpation is essential for accurate diagnosis and aims at identifying both longitudinal and circumferential defects of the cervical canal.
An interstitial pregnancy is an uterine but an ectopic pregnancy, as it is located outside the uterine cavity in the part of the fallopian tube penetrating the muscular layer of the uterus.
Because the muscular layer develops its weight by filling the lumen with water and the mucosal surface swells because of immersion, it is believed that the possibility of gripping the muscular layer at the time of snaring during EMR is extremely low.
Unlike the acquired adult form, in which outlet obstruction or neurogenic dysfunction is almost always present, congenital bladder diverticula result from hypoplasia of the muscular layer of the bladder wall [1].

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