| ureterostomy | Surgical formation of an opening in the ureter for external drainage of the urine; cutaneous route utilises a ureteral orifice emerging through the skin. (12 Dec 1998) |
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| ureterotomy | Incision and stenting of a narrow ureter. Origin: uretero-+ G. Tome, incision (05 Mar 2000) |
| ureterotrigonoenterostomy | Implantation of a ureter and its portion of the trigone of the bladder into the intestine. Origin: uretero-, + trigone (of bladder), + enterostomy (05 Mar 2000) |
| ureterotubal anastomosis | Procedure for anastomosis between the ureter and the fallopian tube. (05 Mar 2000) |
| ureteroureteral | Relating to two segments of the same ureter or to both ureters, especially an artificial anastomosis between them. (05 Mar 2000) |
| ureteroureteral anastomosis | Anastomosis from one part of a ureter to another part of the same ureter. (05 Mar 2000) |
| ureteroureterostomy | Establishment of an anastomosis between the two ureters or between two segments of the same ureter. See: transureteroureterostomy. (05 Mar 2000) |
| ureterovaginal fistula | A fistula between the lower ureter and vagina. (05 Mar 2000) |
| ureterovesical | Relating to the ureter and the bladder, specifically the junction of ureter with bladder. (05 Mar 2000) |
| ureterovesical obstruction | Obstruction of the lower ureter at its entrance into the bladder. (05 Mar 2000) |
| ureterovesicostomy | Surgical joining of a ureter to the bladder. Origin: uretero-+ L. Vesica, bladder, + stoma, mouth (05 Mar 2000) |
| ureters | The tubes that carry urine from each kidney to the bladder. (12 Dec 1998) |
| urethan | Urethane NH2COOC2H5;has antimitotic activity; formerly used medically as a hypnotic, but now more often used as an anaesthetic for laboratory animals. Synonym: ethyl carbamate. (05 Mar 2000) |
| urethanase | <enzyme> From bacillus licheniformis isolated from mouse intestine; catalyses the decomposition of urethane to ethanol, ammonia and co2 Registry number: EC 3.5.1.75 Synonym: urethane hydrolase (26 Jun 1999) |
| urethane | <chemistry> A white crystalline substance, NH2.CO.OC2H5, produced by the action of ammonia on ethyl carbonate. It is used somewhat in medicine as a hypnotic. By extension, any one of the series of related substances of which urethane proper is the type. Source: Websters Dictionary (01 Mar 1998) |