bladder, urinary

bladder, urinary,

muscular sac located in the pelvis that stores urineurine,
clear, amber-colored fluid formed by the kidneys that carries metabolic wastes out of the body (see urinary system). As the blood circulates it collects excretory products from the tissues and these substances are separated from the blood by the kidneys and eliminated
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 and contracts to expel it from the body. Urine enters the bladder from the kidneys through the uretersureter
, thick-walled tube that conveys urine from the kidney to the urinary bladder. It is approximately 10 in. (25.4 cm) long, with the upper half located in the abdomen and the lower half in the pelvic region.
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 and is discharged from the body via the urethraurethra
, canal in most mammals that carries urine from the bladder to the outside of the body; in the male it also serves as a genital duct. The urethra is about 1 1-2 in. long (3.8 cm) in women, terminating above the vaginal opening. In men the urethra is about 8 in.
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. The bladder of the adult human can hold over a pint (0.6 liters) of urine. When the level of urine reaches about half this amount, pressure of the accumulating fluid stimulates nervous impulses that relax the external sphincter, a muscle that forms a dense band around the urethra at the base of the bladder. This muscle can be controlled voluntarily in most mammals. The muscles in the wall of the bladder also contract, forcing urine out through the urethra. The bladder is subject to infection (commonly called cystitiscystitis
, common acute or chronic inflammation of the urinary bladder. The disease occurs primarily in young women and frequently results from bacterial invasion of the urethra from the adjacent rectum, most commonly with normally occurring intestinal bacteria such as E.
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) and the formation of stones. Its normal function may also be affected by nervous disorders or by external pressure, as from prostatic enlargement or pregnancy. See urinary systemurinary system,
group of organs of the body concerned with excretion of urine, that is, water and the waste products of metabolism. In humans, the kidneys are two small organs situated near the vertebral column at the small of the back, the left lying somewhat higher than the
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.
References in periodicals archive ?
Worldwide prevalence estimates of lower urinary tract symptoms, overactive bladder, urinary incontinence and bladder outlet obstruction.
In the office, Cystosure can similarly make the evaluation of conditions like overactive bladder, urinary incontinence, incomplete bladder emptying, and recurrent urinary tract infections much easier and less expensive, enabling more gynecologists to take the lead in diagnosis.
Contract notice: Supply of implants on the topic: sacral neuromodulation for treating disorders of the pelvic floor and the bladder (oab = overactive bladder, urinary retention, fecal incontinence, constipation, respectively neurogenic and non-neurogenic cause).
He explained that the device, which has a lifespan of between five-eight years, is implanted through a procedure known as the sacral nerve stimulation - a minimally invasive procedure to treat urge incontinence, overactive bladder, urinary retention or interstitial cystitis.
Differential diagnosis: incomplete duplication of the urinary bladder, urinary bladder diverticulum and cloacal malformation.
com; and the Neuro-Incontincence Support List, which deals with damage to the bladder, neurogenic bladder, urinary sphincter problems, etc.
coli, for instance, prefers the bladder, urinary tract, and kidney because those tissues contain receptor "locks" that fit the E.
It covers active pipeline molecules under development in various stages of clinical trials, preclinical research, and drug discovery for Benign Prostatic Hyperplasia, Erectile Dysfunction, Infertility, Overactive Bladder, Urinary Incontinence, and Urinary Tract Infections.
We excluded patients with suspected cancer on digital rectal examination (DRE), prostate-specific antigen (PSA) >4 ng/mL, urinary tract infection (UTI), acute or chronic prostatitis, neurogenic bladder, urinary retention, a history of 5 alpha-reductase inhibitors, antimuscarinics or alpha-blocker therapy, bladder tumour, urolithiazis, diabetes mellitus and history of trans-urethral prostate surgery or lower urinary tract operation.
Severe BPH can lead to serious problems over time, such as strain on the bladder, urinary tract infections, bladder or kidney damage, bladder stones, and the inability to control urine (incontinence).
These diseases include Interstitial Cystitis (IC)/Bladder Pain Syndrome (BPS), bladder cancer, overactive bladder, urinary tract infections and chronic pelvic pain syndromes.
These diseases include interstitial cystitis (IC)/painful bladder syndrome (PBS), bladder cancer, overactive bladder, urinary tract infections and chronic pelvic pain syndrome.