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The detrusor muscle, also detrusor urinae muscle, muscularis propria of the urinary bladder and (less precise) muscularis propria, is smooth muscle found in the wall of the bladder. The detrusor muscle remains relaxed to allow the bladder to store urine , and contracts during urination to release urine.
True diverticula involve all layers of the structure, including muscularis propria and adventitia, such as Meckel's diverticulum. [2] True diverticula are typically synonymous with traction diverticula, which describes the mechanism of formation as pulling forces external to the structure.
The muscular layer (muscular coat, muscular fibers, muscularis propria, muscularis externa) is a region of muscle in many organs in the vertebrate body, adjacent to the submucosa. It is responsible for gut movement such as peristalsis. The Latin, tunica muscularis, may also be used.
Underlying the epithelium is the lamina propria, which contains myofibroblasts, blood vessels, nerves, and several different immune cells, and the muscularis mucosa which is a layer of smooth muscle that aids in the action of continued peristalsis and catastalsis along the gut.
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Also called resource cost advantage. The ability of a party (whether an individual, firm, or country) to produce a greater quantity of a good, product, or service than competitors using the same amount of resources. absorption The total demand for all final marketed goods and services by all economic agents resident in an economy, regardless of the origin of the goods and services themselves ...
Biopsy of the stomach in Ménétrier disease; the substantial pit hyperplasia makes the large rugal folds appear to be covered by myriad polyps resembling hyperplastic polyps. The muscularis propria is the folded structure at the bottom center. Specialty: Gastroenterology
Invades the muscularis propria, or greater than 2 cm in size with invasion of the lamina propria or submucosa T3: Invades through the muscularis propria into subserosal tissue without penetration of overlying serosa T4: Invades visceral peritoneum (serosal) or other organs or adjacent structures Regional Lymph Node (N) N Category N Criteria NX