urethral sphincter


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Related to urethral sphincter: External urethral sphincter, urethral sphincter mechanism incompetence
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.urethral sphincter - a striated sphincter muscle that constricts the urethra
urethra - duct through which urine is discharged in most mammals and which serves as the male genital duct
anatomical sphincter, sphincter, sphincter muscle - a ring of muscle that contracts to close an opening
References in periodicals archive ?
Increased activity of the pudendal nerve is believed to increase contractions of the urethral sphincter at the opening of the bladder, thereby helping to prevent accidental urine leakage.
6] In addition, several studies have reported that TOT procedures perform poorly when compared to RPMUS in patients with intrinsic urethral sphincter deficiency (ISD) (defined by low urethral pressures).
5] guidelines both recommend urodynamics for complicated patients, to demonstrate incontinence (mobility, intrinsic urethral sphincter deficiency), assess compliance/capacity, and rule out obstruction/voiding dysfunction.
The device pumps sterile saline slowly into the urethra, building pressure against the urethral sphincter, and records the pressure required to achieve and maintain an open sphincter.
In GERD, the objective of such a treatment is to repair the esophageal sphincter, and in SUI to augment the urethral sphincter.
To avoid damage to the external urethral sphincter, the surgeon tends to limit the extent of the iceball near this structure at the apex and consequently the apex is a common site of recurrent cancer (51.
Duloxetine, by inhibiting this reuptake in the sacral spinal cord, increases neurotransmitter concentration resulting in increased activity of the nerve that in turn stimulates the external urethral sphincter.
patent for its product for treating this condition, which is most commonly caused by the loss of tone or control of the smooth muscles surrounding the neck of the bladder or the urethral sphincter muscles.
These signals cause the muscles of the bladder and urethral sphincter to contract.
Stress urinary incontinence (SUI) is the most common type of incontinence and is caused by failure of the urethral sphincter to prevent urine flow, particularly associated with physical activity.
There is one urethral bulking agent currently approved by the FDA for treatment of a subclass of SUI in which the urethral sphincter is unable to close.
This disorder results in the involuntary loss of urine caused by the descending of the urethra and bladder (Type I) and/or loss of muscle tone to the urethral sphincter (Type II).