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Topic: Ureter


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In the News (Mon 17 Jun 19)

  
  Ureter - Wikipedia, the free encyclopedia
In human anatomy, the ureters are the ducts that carry urine from the kidneys to the urinary bladder.
There are no valves in the ureters, backflow being prevented by pressure from the filling of the bladder, as well as the tone of the muscle in the bladder wall.
The inner loose spiral is sometimes described as longitudinal, and the outer as circular, (this is the opposite to the situation in the gastrointestinal tract).
en.wikipedia.org /wiki/Ureter   (303 words)

  
 Facts about topic: (Ureter)   (Site not responding. Last check: 2007-11-06)
The ureters are muscular tubes that can propel urine along by the motions of peristalsis (The process of wave-like muscle contractions of the alimentary tract that moves food along).
The ureter has a diameter of about 3 millimetre (A metric unit of length equal to one thousandth of a meter) s, and the lumen is star-shaped.
The inner loose spiral is sometimes described as longitudinal, and the outer as circular, (this is the opposite to the situation in the gastrointestinal tract (Tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination)).
www.absoluteastronomy.com /encyclopedia/u/ur/ureter.htm   (348 words)

  
 Dorlands Medical Dictionary
the ureter draining the upper pole of a duplex kidney.
(u-re”tər-o-ser´vĭ-kəl) pertaining to a ureter and to the cervix uteri.
(u-re”tər-o-re-nos´kə-pe) visual inspection of the interior of the ureter and kidney by means of a fiberoptic endoscope for such purposes as a biopsy or removal or crushing of stones.
www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_u_03zPzhtm   (3013 words)

  
 Chapter 33: The ureter, bladder and urethra
The upper half of the ureter is in the abdomen proper; the lower half is in the pelvis.
In the male, the ureter lies in the sacrogenital fold and is crossed medially by the ductus deferens.
In the female, the ureter is at first related to the posterior border of the ovary; it then lies in the uterosacral ligament and is crossed anteriorly by the uterine artery.
www.dartmouth.edu /~humananatomy/part_6/chapter_33.html   (1340 words)

  
 Organ: Ureter - WrongDiagnosis.com
Ureter: Tubes from kidneys to pass urine to the bladder
Ureter: Tubes that carry urine from the kidneys to the bladder.
Narrow tubes called ureters carry urine from the kidneys to the bladder, a triangle-shaped chamber in the lower abdomen.
www.wrongdiagnosis.com /organ/ureter.htm   (267 words)

  
 Normal Ureter Development   (Site not responding. Last check: 2007-11-06)
From 28 to 35 days of development, the ureter is patent, probably as a result of the mesonephros producing urine which fills the tube.
As development of the bladder progresses the mesonephric duct and the attached ureter are incorporated into the base of the bladder and the proximal urethra.
As the mesonephric duct and ureter are absorbed into the base of the bladder, they rotate so that the ureter meets the bladder cephalad to the point at which the mesonephric duct meets the urethra.
www.meddean.luc.edu /lumen/MedEd/urology/nlurtdv.htm   (419 words)

  
 URETER   (Site not responding. Last check: 2007-11-06)
The epithelial cells of the ureter are stratified, are normally round in shape but become squamous when streched.
The inner loose spiral is sometimes described as longitudinal, and the outer as circular,.
It is licensed under the GNU free documentation license.
www.yotor.org /wiki/en/ur/Ureter.htm   (212 words)

  
 UrologyHealth.org - Pediatric Conditions - Abnormalities - Ectopic Ureter   (Site not responding. Last check: 2007-11-06)
This is a ureter which fails to connect properly to the bladder and drains somewhere outside the bladder.
Ureteral reimplantation: In this operation, the ectopic ureter is divided near the bottom and sewn into the bladder in such a way that urine drains well and does not flow backwards.
Passageway from the kidneys to the ureters, bladder and urethra.
www.urologyhealth.org /pediatric/index.cfm?cat=01&topic=71   (3084 words)

  
 Medcyclopaedia - Double ureter
The ureteric orifices are characteristically inverted in relation to the renal unit they drain, so that the ureter of the lower renal unit drains to the normal ureteric insertion and the ureter of the upper renal unit drains ectopically in the bladder, urethra or elsewhere.
The ectopic ureter is frequently associated with stenosis or ureterocoele.
The orthotopic ureter is prone to vesicoureteric reflux.
www.medcyclopaedia.com /library/topics/volume_iv_2/d/DOUBLE_URETER.aspx   (441 words)

  
 Transitional Cell Cancer of the Renal Pelvis and Ureter:   (Site not responding. Last check: 2007-11-06)
Transitional cell cancer of the renal pelvis and ureter is a disease in which malignant (cancer) cells form in the renal pelvis and ureter.
Transitional cell cancer of the renal pelvis and ureter is a disease in which malignant (cancer) cells form in 	 the renal pelvis and ureter.
The renal pelvis is part of the kidney and the ureter connects the kidney to the bladder.
www.acor.org /cnet/343585.html   (3004 words)

  
 Learn About Renal Pelvis & Ureter Cancer
Ureter cancers start in one of the tubes that connect the kidney to the bladder.
The ureters are tubes of tissue that connect the renal pelvis to the bladder.
Renal pelvis and ureter cancers are diagnosed by the patient’s symptoms, medical history, physical exam, blood tests, xrays, and special tests of the urinary organs.
www.massgeneral.org /cancer/crr/types/gu/renal_pelvis.asp   (2521 words)

  
 MedlinePlus Medical Encyclopedia: Injury - kidney and ureter
An upper urinary tract injury is one sustained by the kidneys and ureters.
Ureteral injuries (injuries to the tubes which carry urine from the kidneys to the bladder) can also be caused by trauma (blunt or penetrating), medical procedures, and other disease processes in the retroperitoneum.
For example, if an isolated ureteral injury is discoved a week later, a clinician may divert the urine with the nephrostomy tube, let the inflammation settle down, and elect to operate at a later date for the definitive treatment.
www.nlm.nih.gov /medlineplus/ency/article/001065.htm   (1651 words)

  
 RETROCAVAL URETER WITH HYDRONEPHROSIS   (Site not responding. Last check: 2007-11-06)
It is a condition in which the ureter deviates medially and passes behind the inferior vena cava, winding about and crossing in front of it from medial to lateral side.
Ureter was separated anteriorly from the inferior vena cava.
Ureter crosses behind the inferior vena cava at the level of the third lumbar vertebra and has a fish hook shaped (S shaped) deformity of the ureter at the point of obstruction.
www.bhj.org /journal/2003_4503_july/retrocaval_481.htm   (1177 words)

  
 Ureter
The ureter is the medial margin of a broad ligament pocket or hernia in up to 100% of large upper broad ligament defects.
The ureter is the medial margin in both examples.
The ureter is in the mid-broad ligament in the first example.
www.danmartinmd.com /ureter.htm   (135 words)

  
 Cancer of the ureter and renal pelvis : CancerBACUP
The ureters are hollow muscular tubes that carry urine from the kidneys to the bladder.
The exact cause of cancer of the ureter and renal pelvis is unknown.
The most commonly used immunotherapy for cancer of the ureter and renal pelvis is interferon, which is usually used for an extremely rare type of ureteral or renal pelvis cancer called clear cell cancer.
www.cancerbacup.org.uk /Cancertype/Kidney/Ureterandrenalpelvis   (2164 words)

  
 Transitional cell cancer of the renal pelvis and ureter
Therefore, total excision of the ureter with a bladder cuff, renal pelvis, and kidney is recommended in an attempt to provide the greatest likelihood of cure.
Squamous cell cancer of the urinary tract constitutes less than 15% of the tumors of the renal pelvis and a smaller percentage of ureteral tumors and is often associated with chronic calculus disease and infection.
Ureteral transitional cell cancer may more readily offer the possibility of segmental excision if the absence of proximal disease can be documented.
www.meds.com /pdq/transitional_pro.html   (2594 words)

  
 OBGYN.net - Unroofing of the Ureter for Radical Hysterectomy
Unroofing the ureter in the cardinal ligament is the most important step during radical hysterectomy.
This technique allows isolation of the ureter before starting the dissection of the bladder on the plane of the vesico-vaginal septum, since it is performed from the posterior aspect of the parametrium.
The ureter is freed from the uterine artery, which at this point is coagulated.
www.obgyn.net /hysteroscopy/hysteroscopy.asp?page=/hysteroscopy/articles/unroofing   (587 words)

  
 Types of Ureter Disorders, Mayo Clinic in Rochester, Minn.   (Site not responding. Last check: 2007-11-06)
Rather than having one ureter tube that drains from the kidney to the bladder, a second, or duplicate, ureter forms on the same kidney.
When the ureter tube is too narrow and does not allow for the normal flow of urine, a ureterocele (a tiny hernia) will develop, usually in the section of the ureter closest to the bladder.
In this rare condition the ureter, rather than connecting directly from the kidney to the bladder, twists abnormally and blocks the flow of urine from the kidney to the bladder.
www.mayoclinic.org /ureterdisorders-rst/types.html   (540 words)

  
 Lab Exercises- Calyx, Ureter, Bladder
Recall that it is distinguished by rounded cells at the surface.
The innermost is longitudinal (cut in cross section in your sections), the middle is circularly arranged around the tube (cut in longitudinal section) and the outer is longitudinal again.
Draw the ureter and show how it ends in the major and minor calyces in the kidney.
cellbio.utmb.edu /microanatomy/kidney/bladder_lab.htm   (475 words)

  
 Ectopic Ureters   (Site not responding. Last check: 2007-11-06)
If she really does have an ectopic ureter or even two ectopic ureters, the only chance at resolving the incontinence is through surgery.
With an experienced imager, the accuracy of ulrasound in the diagnosis of ectopic ureters is similar to that of the I.V.P. The normal ureter is too small to be seen with ultrasound but the tiny squirt of urine from the ureter into the bladder is generally visible.
Some ectopic ureters go to the bladder as they are supposed to but instead of entering the bladder, simply course along the outside of the bladder to end elsewhere.
www.marvistavet.com /html/body_ectopic_ureters.html   (1319 words)

  
 UrologyHealth.org - Adult Conditions - Abnormalities - Extrinsic Obstruction of the Ureter   (Site not responding. Last check: 2007-11-06)
The ureter is a thick-walled tube that transfers urine from the kidney to the bladder.
Extrinsic obstruction of the ureter is a condition caused by organs and diseases that press against the ureter and cause a blockage within the ureter.
Extrinsic obstruction of the ureter is a common urologic problem for which the diagnosis may be difficult to establish.
www.urologyhealth.org /adult/index.cfm?cat=01&topic=93   (1374 words)

  
 Cancer - renal pelvis or ureter (Disease) - Des Moines, Iowa Health Hospital IA   (Site not responding. Last check: 2007-11-06)
As a group, renal pelvis and ureter carcinomas are uncommon and account for no more than 5% of all cancers of the kidney and upper genitourinary tract.
Tumors of the renal pelvis and ureter are usually transitional cell cancers.
If the tumor is in the ureter, it may be possible to remove it while preserving the kidney.
www.iowahealth.org /12755.cfm   (579 words)

  
 Transitional Cell Cancer of the Renal Pelvis and Ureter   (Site not responding. Last check: 2007-11-06)
The urine made by the kidneys passes through the ureter into the bladder where it is held until it is passed from your body.
Your chance of recovery (prognosis) and choice of treatment depend on the stage of your cancer (whether it is just in the tissue lining the inside of the ureter or renal pelvis or has spread to other places) and your general state of health.
The kidney, ureter, and top part of the bladder may be removed in an operation called a nephroureterectomy.
clevelandclinic.org /health/health-info/docs/1400/1438.asp?...&src=news   (1146 words)

  
 Retrocaval ureter: MR appearances -- Uthappa et al. 75 (890): 177 -- The British Journal of Radiology
We present a case of retrocaval ureter and its MR appearances.
Retrocaval (circumcaval) ureter is an uncommon venous anomaly
the right-sided retrocaval ureter was traced on the workstation
bjr.birjournals.org /cgi/content/full/75/890/177   (913 words)

  
 ureter. The Columbia Encyclopedia, Sixth Edition. 2001-05
Urine is transported down this tube under the impetus of gravity assisted by contractions of the smooth muscles that line the ureteral walls.
A blocked ureter can result from congenital abnormality, a tumor, or the formation of kidney stones.
Blockage may require surgery to prevent loss of urinary function and eventual urea poisoning.
www.bartleby.com /65/ur/ureter.html   (139 words)

  
 Search Results for ureter -¬†Encyclop√¶dia Britannica
The wall of the ureter has three layers, the adventitia, or outer layer; the intermediate, muscular layer; and the lining, made up of mucous membrane.
The ureters are narrow, thick-walled ducts, about 25–30 centimetres (9.8–11.8 inches) in length and from four to five millimetres (0.16 to 0.2 inch) in diameter, that transport the urine from the...
The use of focused shock waves to pulverize stones in the urinary tract, usually the kidney or upper ureter, is called extracorporeal shock wave lithotripsy (ESWL).
www.britannica.com /search?query=ureter&submit=Find&source=MWTEXT   (337 words)

  
 Treatment of Ureter Disorders, Mayo Clinic in Rochester, Minn.   (Site not responding. Last check: 2007-11-06)
If the ureter disorder is causing severe pain, it may require an immediate procedure to remove urine from the body and temporarily relieve the problems caused when urine is blocked and backs up in the urinary system.
Urinary tract infections caused by a ureter disorder are treated with antibiotics.
Removing the section of the ureter that is abnormal and reattaching the remaining healthy sections of the ureter into the bladder.
www.mayoclinic.org /ureterdisorders-rst   (559 words)

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