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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 or female external urethral sphincter and the internal urethral sphincter. When either of these muscles contracts, the urethra is sealed shut.
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 normally in younger women with abnormal electromyographic activity detected. [1] [2] [3] [4]
Urethral syndrome is defined as symptoms suggestive of a lower urinary tract infection but in the absence of significant bacteriuria with a conventional pathogen. [1] It is a diagnosis of exclusion in patients with dysuria and frequency without demonstrable infection . [ 2 ]
That’s when the brain will send signals that relax the urethral sphincter muscle and make the bladder muscles contract to squeeze urine out, Kim said. ... sepsis from a urinary source. Over time ...
Bladder sphincter dyssynergia (also known as detrusor sphincter dyssynergia (DSD) (the ICS standard terminology agreed 1998) [1] and neurogenic detrusor overactivity (NDO)) is a consequence of a neurological pathology such as spinal injury [2] or multiple sclerosis [3] which disrupts central nervous system regulation of the micturition (urination) reflex resulting in dyscoordination of the ...
The hallmark sign of urethral stricture is a weak urinary stream. Other symptoms include: [2] Splaying of the urinary stream; Urinary frequency; Urinary urgency; Straining to urinate; Pain during urination; Urinary tract infection; Prostatitis; Inability to completely empty the bladder. Some people with severe urethral strictures are completely ...
Common symptoms include painful urination, continuous urge to urinate, itching, and urethral discharge. Additional symptoms vary based on sex. [1] Men may experience blood in the urine or semen, itching, tenderness, or swelling of the penis, enlarged lymph nodes in the groin area, and/or pain with intercourse or ejaculation.
Also, when you have an erection, the spongey tissue around your urethra, known as the corpora cavernosa, expands, urologist Dr. Rena Malik, M.D. explained in a recent video on her YouTube channel ...