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§ Ureter Quick Reference: (your-eat-tor) Tube leading from the kidney to the

§■ Advanced Reference: There are two ureters which are muscular tubes

° and convey urine from the kidney to the bladder. The term ureteric is used when making reference to the ureters, e.g. ureteric catheter.

8 Ureterolithotomy Quick Reference: (your-eat-row) Surgical removal of a ureteric calculus.

Uterus

Advanced Reference: Carried out if the stone is causing recurrent pain, causing complete blockage or infection. Involves exposure and excision of the ureter for direct removal of the stone.

Urethra Quick Reference: Tube carrying urine away from the bladder.

Advanced Reference: The urethra is longer in the male than female. One consequence being that males have better protection against cystitis than the female. Urethritis is inflammation of the urethra.

Uric acid Quick Reference: A normal constituent of urine.

Advanced Reference: Lithic acid. Uricaemia is the accumulation of uric acid in the blood. A build-up can lead to renal calculi formation.

Urinary diversions Quick Reference: Operation carried out to divert the ureters, usually due to complete bladder removal, contracted bladder or irreparable vesico-vaginal fistula.

Advanced Reference: Two of the most common procedures are uretero-sigmoidostomy and uretero-ileostomy. In the former the ureters are transplanted into the sigmoid colon but this procedure has the disadvantage of ascending infection. The latter operation involves isolating a section of ileum and bringing it to the abdominal wall then implanting the ureters into this conduit and so creating an ileostomy for urine collection.

Urine Quick Reference: Fluid secreted by the kidneys.

Advanced Reference: Urine is stored in the bladder after production in the kidneys. It is 96% water and 4% solids, the most important being urea and uric acid. Urinalysis involves the bacteriological and chemical examination of urine.

Urography Quick Reference: X-ray examination of the urinary tract.

Advanced Reference: The examination is carried out with the use of contrast media (urograffin). Urogram involves a radiograph of the urinary tract. Other related procedures are cystography (bladder) and pyelography (kidney).

Urology Quick Reference: Branch of medicine dealing with the urinary tract and related structures.

Advanced Reference: Involves disease of the urinary tract in both sexes n and especially those of the genital organs in males. <

Urticaria Quick Reference: (hurt-te-care-ear) Allergy reaction signified by o redness of the skin. Also referred to as nettle rash. £

Advanced Reference: Redness is due mainly to histamine, which is §

released when tissue is injured etc causes capillaries to leak fluid. Signs ■!

and symptoms generally include redness, itching and burning sensation g-

sometimes combined with blistering. °

Uterus Quick Reference: Refers to the female womb. g

Advanced Reference: Triangular shaped, hollow, muscular organ sited S. in the pelvis between the rectum and bladder.

Uvula

Uvula Quick Reference: Fleshy prolongation at the back of the mouth.

Advanced Reference: The uvula hangs down in the middle of the throat over the base of the tongue.

U-wave Quick Reference: Positive deflection seen on an Electrocardio-graphical (ECG) recording.

Advanced Reference: A positive deflection but of low amplitude. Not always present and thought to represent slow repolarisation of minor muscle.

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