membranous urethra


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Related to membranous urethra: Male urethra, Prostatic urethra, Spongy urethra

membranous urethra

[′mem‚brə·nəs yu̇′rē·thrə]
(anatomy)
The part of the urethra between the two facial layers of the urogenital diaphragm.
References in periodicals archive ?
In traumatic urethral strictures, bulbar urethra was the most common site in 63% of the patients followed by membranous urethra and penile urethra in 20% and 10% of patients respectively.
Bulbar urethra is the most common site of urethral stricture found in the 62% of the patients followed by the membranous urethra in 18% of the patients.
This provides temporary, effective local anesthesia to the distal urethra and typically to the membranous urethra and bladder neck.
Five of 7 patients had fistula at the membranous urethra, and the remaining two had fistulas at the prostatic urethra (Table 2).
Patients sujected to urethral stricture secondary to pelvic trauma should be first classified into two groups; adults, where the stricture is mostly located in the membranous urethra and the chance for complete urethral disruption is relatively low (42%), and children where the stricture has a higher incidence to be located in the prostatic urethra or even involving the bladder neck and has a higher incidence to be a complete disruption (69%).
A repeat cystourethrogram five weeks after urinary catheter insertion showed a small residual collection in the posterior membranous urethra.
We thank the authors for the beautiful contribution about the magnetic resonance imaging findings about the stretched length of the membranous urethra during radical retropubic prostatectomy (RRP) and its importance on postoperative continence.
Their study is based on the relationship between the length of the membranous urethra preoperatively and its positive impact on continence.