urethral sphincter


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urethral sphincter

the voluntary muscle at the neck of the bladder that relaxes to allow urination.
References in periodicals archive ?
The real-time TPUS was used to determine movement of the anorectal angle, antero-cranial lift of the bladder neck, posterior movement of the external urethral sphincter, and length of hold.
In these cases, first of all diagnosis of urethral sphincter injury should be positively made.
Because both preoperative MUL and postoperative MUL are correlated with urinary incontinence, precise manipulation of the prostatic apex is recommended to preserve the urethral sphincter system during RARP.
Attempts to relax the urethral sphincter include the use of alpha-blockers, injection of botulinum toxin or sacral nerve stimulation.
BID for internal urethral sphincter relaxation and Bethanechol, a detrusor contracting agent @ 2mg/kg b.
Cystoscopy was carried out in all of these patients to assess the tonicity of the urethral sphincter, memberanous urethra, bladder neck and bladder.
Researchers from KNU investigated the ability of stem cells isolated from human amniotic fluid obtained during routine amniocentesis to regenerate damaged urethral sphincter muscles in mice.
Ageing results in loss of muscle fibres in both the external and internal urethral sphincters.
Effects of two atypical neuroleptics, olanzapine and risperidone, on the function of the urinary bladder and the external urethral sphincter in anesthetized rats.
Evaluation of long-term effects of endoscopic injection of collagen into the urethral submucosa for treatment of urethral sphincter incompetence in female dogs: 40 cases (1993-2000).
Collagen has been used on SUI patients because its injection into the tissue surrounding the urethra tightens the urethral sphincter and stops urine from leaking.
Collagen has been used to treat SUI because its injection into the tissue surrounding the urethra tightens the urethral sphincter, and stops urine from leaking.