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ureter |
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ureter (y  rē`tər), thick-walled tube that conveys urine from the kidney kidney, artificial, mechanical device capable of assuming the functions ordinarily performed by the kidneys. In treating cases of kidney failure a tube is inserted into an artery in the patient's arm and blood is channeled through semipermeable tubes immersed in a..... Click the link for more information. 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. 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. See urinary system urinary 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 ..... Click the link for more information. . |
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? Mentioned in | ? References in periodicals archive | |
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TCDD-induced hyperplasia of the ureteral epithelium produces hydronephrosis in murine fetuses. the patient's abdominal CT read by the same radiologist shows a ureteral stone--and status post cholecystecomy. Ketorolac suppresses postoperative bladder spasms after pediatric ureteral reimplantation, Anesthesia and Analgesia 2000, 91:1, pp. |
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ureteral
