The wall of the urinary bladder consists of four main layers: the mucosa, submucosa, muscularis, and adventitia. The mucosa is lined with transitional epithelium that allows for expansion and contraction. Beneath this is the submucosa, which contains connective tissue that provides support. The muscularis layer, known as the detrusor muscle, consists of smooth muscle fibers arranged in multiple directions, facilitating the bladder's ability to contract during urination. The outermost layer, the adventitia, is made of connective tissue that anchors the bladder to surrounding structures.
The urinary bladder is a muscular organ for storing urine. The urinary bladder wall is stretchable to accommodate varying volumes of urine.
The wall of the urinary bladder of a fetal pig is a sack like organ located by the umbilical cord. When relaxed the walls appear to be folded.
The rugae in the wall of the urinary bladder are folds that allow the bladder to expand and contract as it fills and empties with urine. When the bladder fills, the rugae flatten, providing increased surface area for storage. This elasticity is crucial for accommodating varying volumes of urine without damaging the bladder wall.
The bundles of interlaced muscular fibers in the wall of the urinary bladder comprise the internal urethral sphincter. The contraction of the internal urethral sphincter prevent the bladder from emptying until the urinary pressure reaches a certain level.
Ove Hassler has written: 'Angiographic abnormalities in the urinary bladder wall after irradiation' -- subject(s): Radiography, Bladder, Urinary organs
Vesicovaginal fistula
Smooth
The bladder needs to be a muscular sac to store and effectively expel urine. The muscles in the bladder wall contract to push urine out of the body during urination, and they also relax to allow the bladder to stretch as it fills with urine.
detrusor muscle
Specialized cells called transitional cells form the lining of the urinary bladder.
A hernia of the urinary bladder is called a "cystocele." It occurs when the bladder protrudes into the front wall of the vagina due to weakened pelvic support tissues. This condition can lead to symptoms such as urinary incontinence or difficulty in urination. Treatment often involves pelvic floor exercises or surgical intervention, depending on severity.
A urinary diversion is created as a means to treat cancer of the bladder, when conservative measures have been unsuccessful, or when there is recurrence of the disease invading the muscle wall.