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Topic: Urethral sphincter


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In the News (Mon 7 Dec 09)

  
  Urethral sphincter definition - Medical Dictionary definitions of popular medical terms
Urethral sphincter: The muscular mechanism that controls the retention and release of urine from the bladder.
Internal sphincter: Part of the muscular bladder wall acts as the internal urethral sphincter and prevents urine from leaving the bladder to enter the urethra.
External sphincter: A layer of muscle, called the urogenital diaphragm, supplies support for the contents of the pelvis and acts as the external urethral sphincter.
www.medterms.com /script/main/art.asp?articlekey=11855   (143 words)

  
 Ultrasonic Assessment of the Internal Urethral Sphincter in Stress Urinary Incontinence
Sometimes weakness of the internal urethral sphincter was in the lower part, and rupture and widening of the urethral lumen was seen in the lower part, giving a “flask shape” appearance.
II- The internal sphincter is composed mainly of collagenous and elastic tissues extending concentrically outwards from an inner mucosa which lies on the “lamina propria” followed by the collagenous bundles extending beyond the muscle layer.
In conclusion, three dimension vaginal ultrasonic assessment of the internal urethral sphincter is an additional informative, non-invasive tool in the evaluation of cases of SUI as it is both sensitive and specific in the diagnosis of SUI.
www.ispub.com /ostia/index.php?xmlFilePath=journals/ijgo/vol2n1/usi.xml   (1947 words)

  
 Stress Incontinence
Stress incontinence is a storage problem in which the strength of the urethral sphincter is diminished, and the sphincter is not able to prevent urine flow against increased pressure from the abdomen.
Storage problems may occur as a result of weakened pelvic muscles that support the bladder, or because of malfunction of the urethral sphincter.
Stress incontinence may be seen in women who have had multiple pregnancies, or who have pelvic prolapse (protrusion of the bladder, urethra, or rectal wall into the vaginal space), with cystocele, cystourethrocele, or rectocele.
www.biolifedynamics.com /stress_incontinence.html   (239 words)

  
 MSN Encarta - Romania
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 Romania - VisitEurope.com   (Site not responding. Last check: 2007-10-28)
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 Southeastern Europe Country Analysis Brief
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 Amnesty International Report 2002 - Europe - ROMANIA
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 Romania
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 Rome and Romania, Roman Emperors, Byzantine Emperors, etc.
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 BBC NEWS | World | Europe | Country profiles | Country profile: Romania
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 ICL - Romania Index   (Site not responding. Last check: 2007-10-28)
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 Romania News
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 CIA - The World Factbook -- Romania   (Site not responding. Last check: 2007-10-28)
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 Romania Maps - Perry-Castañeda Map Collection - UT Library Online
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 Romania News - Media Monitoring Service by EIN News   (Site not responding. Last check: 2007-10-28)
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 romania map and information page
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 Ethnologue report for Romania
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 USAID Europe and Eurasia: Romania
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 Romania : Country Studies - Federal Research Division, Library of Congress
lcweb2.loc.gov /frd/cs/rotoc.html   (187 words)

  
 WTO | Romania - Member information
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 About Romania - Location, Flag, Map, Weather, Transportation
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 Sphincter Urethral
The prognosis of urethral cancer depends on its anatomical location and the depth of invasion.
Superficial tumors located in the anterior urethra of both the female and male are generally curable; deeply invasive lesions or those lesions located in the posterior urethra, because they are almost always deeply invasive, are rarely curable by any combinations of therapy.
Female urethral cancer is more common than male urethral cancer, but both tumors are quite rare.
www.kegel-exercise.com /sphincter_urethral.html   (129 words)

  
 Stress Incontinence -
Stress Incontinence is an involuntary loss of urine that occurs during physical activity, such as coughing, sneezing, laughing, or exercise.
Stress Incontinence is a bladder storage problem in which the strength of the urethral sphincter is diminished, and the sphincter is not able to prevent urine flow when there is increased pressure from the abdomen.
Stress Incontinence may occur as a result of weakened pelvic muscles that support the bladder and urethra, or because of malfunction of the urethral sphincter.
www.medgo.com /incontinence/content/view/16/44   (449 words)

  
 Office Screening Test for Intrinsic Urethral Sphincter Deficiency: Pediatric Foley Catheter Test -- ARYA et al. 97 (6): ...
of urethral stenosis, urinary tract infection, pelvic prolapse
For the diagnosis of intrinsic sphincter deficiency, the false-positive
a low-risk population with a prevalence of intrinsic sphincter
www.greenjournal.org /cgi/content/full/97/6/885   (2585 words)

  
 Urethral Sphincter Morphology in Women With Detrusor Instability -- Major et al. 99 (1): 63 -- Obstetrics & Gynecology
Urethral Sphincter Morphology in Women With Detrusor Instability -- Major et al.
Cross-sectional differences in urethral sphincter morphology in women with detrusor instability and normal urodynamic testing.
Urethral afferent nerve activity affects the micturition reflex; implication for the relationship between stress incontinence and detrusor instability.
www.greenjournal.org /cgi/content/full/99/1/63   (2391 words)

  
 Urethral sphincter abnormalities in Parkinsonism.
Galloway NT Urethral sphincter function was studied in 14 patients with Parkinsonism.
All patients had urethral pressure profiles, sphincter electromyography and a voiding study with or without cystourethrography.
Abnormalities were found in all patients, but profound abnormalities were present in four patients who had markedly increased sphincter tone and sphincter tremor and who failed to relax the sphincter when voiding.
www.medscape.com /medline/abstract/6652440?src=emed_ckb_ref_0   (132 words)

  
 Wheat Allergy
It is not functioning well and the reason can be that it can not hold enough liquid in, or problem with urethral sphincter which prevents unwanted outflow of the liquid.
The problem with the urethral sphincter can arose after the surgeries of pelvis or prostate.
The urethral sphincter is a kind of muscle and when it is not function well the involuntary loss of urine may occur.
www.deservedhealth.com   (6519 words)

  
 The “Why Does My Pet…?” Blog
Urinary incontinence is a common disorder of older female dogs, as many as 20% of neutered bitches develop it at some point in their lives.
The goal of treatment is to increase the tone of the urethral smooth muscle.
Estriol, a naturally occurring estrogen, is available as a licensed veterinary product and works by restoring the normal function of the urethral sphincter muscle, and increasing the sensitivity of the urogenital tract to adrenergic stimulation.
www.whydoesmypet.wordpress.com   (9608 words)

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