The urethral sphincters are two muscles used to control the exit of urine in the urinary bladder through the urethra. The two muscles are either the male...

The internal urethral sphincter is a urethral sphincter muscle which constricts the internal urethral orifice. It is located at the junction of the urethra...

has also reportedly resulted in a complete and permanent loss of urethral sphincter control (urinary incontinence); furthermore such intercourse presents...

ejaculation. The external urethral sphincter is a striated muscle that allows voluntary control over urination. The internal sphincter, formed by the involuntary...

particular the millions of precapillary sphincters. Sphincters relax at death, often releasing fluids and faeces. Each sphincter is associated with the lumen (opening)...

incontinence. It is due to inadequate closure of the bladder outlet by the urethral sphincter. It is the loss of small amounts of urine associated with coughing...

Fowler's syndrome (urethral sphincter relaxation disorder) is a rare disorder in which the urethral sphincter fails to relax to allow urine to be passed...

External sphincter muscle of urethra can refer to: external sphincter muscle of male urethra external sphincter muscle of female urethra This disambiguation...

bladder Stress incontinence due to "a poorly functioning urethral sphincter muscle (intrinsic sphincter deficiency) or to hypermobility of the bladder neck...

the vulva, including urine (from the urethral opening during urination through control of the external sphincter muscle), sweat (from the apocrine glands)...

urine along with the internal urethral sphincter which is under control of the autonomic nervous system. The external sphincter muscle prevents urine leakage...

pelvic muscles, including the male or female external urethral sphincter and the external anal sphincter. If damaged, most commonly by childbirth, loss of...

labeled at center left List of homologues of the human reproductive system Urethral gland List of distinct cell types in the adult human body "What is pre-ejaculatory...

urine along with the internal urethral sphincter which is under control of the autonomic nervous system. The external sphincter muscle prevents urine leakage...

the detrusor muscles of the bladder and the male or female external urethral sphincter muscles. In normal lower urinary tract function, these two separate...

detrusor muscle to contract and the internal urethral sphincter to relax. The external urethral sphincter (sphincter urethrae) is under somatic control and...

bladder sphincter. Post-pubertal males (aged 17 to 20 years) who experience repeated episodes of retrograde ejaculation are often diagnosed with urethral stricture...

complications due to the highly vascular nature of the tissue. The urethral sphincters and its smooth muscle, as well as the neck of the bladder, can be...

and contracts during urination to release urine. Related are the urethral sphincter muscles which envelop the urethra to control the flow of urine when...

when the woman has urinary sphincter dysfunction, urethral hypermobility, persistent stress urinary incontinence after a urethral sling or urethropexy, or...

penile raphe is a visible line or ridge of tissue that runs on the ventral (urethral) side of the human penis beginning from the base of the shaft and ending...

Tunica albuginea Septum Urethra Urethral crest Internal urethral orifice External sphincter muscle Internal urethral sphincter External urethral orifice...

normally. This is because tamsulosin relaxes the muscles of the urethral sphincters, which are normally closed during ejaculation. Tamsulosin is a selective...

individual when frightened. It also induces contraction of the internal urethral sphincter of the urinary bladder, although this effect is minor compared to...

Creed K, van der Werf B (1997). "The 'urogenital diaphragm', external urethral sphincter and radical prostatectomy". ANZ Journal of Surgery. 67 (1): 40–4....

out of the penis, the bladder neck stays shut while the external urethral sphincter is relaxed. These rhythmic contractions are part of the male orgasm...

The internal urethral orifice is the opening of the urinary bladder into the urethra. It is placed at the apex of the trigonum vesicae, in the most dependent...

the sacral dorsal gray commissure evokes relaxation of the external urethral sphincter in the cat". Neurosci. Lett. 249 (1): 68–70. doi:10.1016/S0304-3940(98)00382-6...

Tunica albuginea Septum Urethra Urethral crest Internal urethral orifice External sphincter muscle Internal urethral sphincter External urethral orifice...

posteriorly by the superficial transverse perineal. The external anal and urethral sphincters close the anus and the urethra. The former is surrounded by the bulbospongiosus...