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  2. Bladder - Wikipedia

    en.wikipedia.org/wiki/Bladder

    The neck of the bladder is the area at the base of the trigone that surrounds the internal urethral orifice that leads to the urethra. [5] In males, the neck of the urinary bladder is next to the prostate gland. The bladder has three openings. The two ureters enter the bladder at ureteric orifices, and the urethra enters at the trigone of the ...

  3. Urethral bulking injections - Wikipedia

    en.wikipedia.org/wiki/Urethral_bulking_injections

    A urethral bulking injection is a gynecological procedure and medical treatment used to treat involuntary leakage of urine: urinary incontinence in women. Injectional materials are used to control stress incontinence. Bulking agents are injected into the mucosa surrounding the bladder neck and proximal urethra.

  4. Urethral sphincters - Wikipedia

    en.wikipedia.org/wiki/Urethral_sphincters

    In women, childbirth, obesity, and age can all be risk factors, especially by weakening the pelvic floor muscles. [6] In men, prostate surgery (prostatectomy, TURP, etc) and radiation therapy can damage the sphincter and cause stress incontinence. [7] Neurogenic bladder dysfunction can involve a malfunctioning urethral sphincter. [8]

  5. Trigone of the urinary bladder - Wikipedia

    en.wikipedia.org/wiki/Trigone_of_the_urinary_bladder

    The trigone (also known as the vesical trigone) [1] is a smooth triangular region of the internal urinary bladder formed by the two ureteric orifices and the internal urethral orifice. The area is very sensitive to expansion and once stretched to a certain degree, stretch receptors in the urinary bladder signal the brain of its need to empty ...

  6. Internal urethral sphincter - Wikipedia

    en.wikipedia.org/wiki/Internal_urethral_sphincter

    The internal urethral sphincter is a urethral sphincter muscle which constricts the internal urethral orifice.It is located at the junction of the urethra with the urinary bladder and is continuous with the detrusor muscle, [1] [2] but anatomically and functionally fully independent from it. [3]

  7. Stress incontinence - Wikipedia

    en.wikipedia.org/wiki/Stress_incontinence

    The most common kind is ring shaped, and is typically recommended to correct vaginal prolapse. The pessary compresses the urethra against the symphysis pubis and elevates the bladder neck. For some women this may reduce stress leakage, however it is not clear how well these mechanical devices help women with stress urinary incontinence. [14]

  8. Bladder outlet obstruction - Wikipedia

    en.wikipedia.org/wiki/Bladder_outlet_obstruction

    Bladder outlet obstruction is included in the spectrum of congenital anomalies of the kidney and urinary tract (CAKUT). CAKUT is the most common cause of birth defects, occurring in 1 out of 1000 live births, and accounts for approximately half of all cases of chronic kidney disease and end-stage renal disease in children.

  9. Urethral hypermobility - Wikipedia

    en.wikipedia.org/wiki/Urethral_hypermobility

    The urethra is held in place in relationship to the pelvic bones and bladder by a combination of ligaments, pelvic floor muscles, and surrounding connective tissue known as the urogenital diaphragm. Damage to any of these structures, or the nerves that control them can cause the urethra to be displaced from its normal position or to have ...