... to the distal part of a catheter. The electromyographic activity of the external urethral sphincter was recorded using a concentric needle electrode inserted into the muscle. The procedure was repeated in 10 patients after muscle infiltration with Xylocaine or saline. Rectal distension evoked external urethral...

... sacral plexus and the pudendal nerve from the cada equina down to their final destination. Our anatomic dissection demonstrated that the voluntary external urethral sphincter mechanism is augmented by two separate muscular components: the levator ani and the transversus perinei muscle. Urodynamic...

... manometry Neurogenic bladder External urethral sphincter ...

... continence during stress and to stop the flow abruptly. Urinary continence Urethral closure mechanism External urethral sphincter Smooth sphincter mechanism Intrinsic sphincter Urethral pressure profile Urol. int. 33: 199 -204 (1978) Which Anatomical Structures in Fact Achieve Urinary Continence...

... External urethral sphincter Combined Pressure Flow Studies Urol, int.32: 161-175 (1977) Vesicourethral Pressure Recordings in the Assessment of Neurogenic Bladder Functions in Spinal Cord Injury Patients Subbarao V. Yalta, Alain B. Rossier and Bushra Fam Harvard Medical School, Spinal Cord Injury...