urethral sphincter


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Related to urethral sphincter: External urethral sphincter, urethral sphincter mechanism incompetence

urethral sphincter

the voluntary muscle at the neck of the bladder that relaxes to allow urination.
References in periodicals archive ?
16] However, even with this system, it may still not be possible to achieve ablation of prostate tissue safely in areas near the rectum and the urethral sphincter.
Urethral bulking agents currently approved by the FDA are only for treatment of a subclass of SUI in which the urethral sphincter is unable to close (approximately 15% of the potential patient population).
Nasdaq: OSTE) announced today that its European subsidiary, CAM Implants, BV, has signed a long-term agreement to be the exclusive supplier to ConvaTec of CAM's proprietary calcium hydroxylapatite medical grade granules, a key component in ConvaTec's urethral sphincter augmentation device.
The device sends electrical signals through electrodes to the spinal nerves that lead to the bladder and bowel, signaling the muscles of the bladder and urethral sphincter to contract.
The more difficult types of incontinence are due to a poorly functioning urethral sphincter -- a problem often brought on by neurologic dysfunction, failed previous surgical procedures, diabetes or steroid use.
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Surgical technique to overcome anatomical shortcoming: Balancing postprostatectomy continence outcomes of urethral sphincter lengths on preoperative magnetic resonance imaging.
M Muazhar Hussain of Army Medical College, Rawalpindi said that requirements of for urinary continence include a quiescent bladder, functioning musculofascial supports and a functional urethral sphincter mechanism.
Pelvic floor exercises entail repetitive voluntary contraction and relaxation of the urethral sphincter, performed multiple times per day for a course of at least a few months initially.
9), (10) Electromyography (EMG) revealed abnormal bursts of activity of the striated urethral sphincter, resulting in a functional obstruction, the so-called Fowler's syndrome.
Somatic fibres travel in the pudendal nerve from the sacral spinal cord to the external urethral sphincter and pelvic floor (figure 1).
Effects of two atypical neuroleptics, olanzapine and risperidone, on the function of the urinary bladder and the external urethral sphincter in anesthetized rats.