Definitions for ureteryʊˈri tər

This page provides all possible meanings and translations of the word ureter

Princeton's WordNet

  1. ureter(noun)

    either of a pair of thick-walled tubes that carry urine from the kidney to the urinary bladder

Wiktionary

  1. ureter(Noun)

    Either of the two long, narrow ducts that carry urine from the kidneys to the urinary bladder.

Webster Dictionary

  1. Ureter(noun)

    the duct which conveys the urine from the kidney to the bladder or cloaca. There are two ureters, one for each kidney

Freebase

  1. Ureter

    In human anatomy, the ureters are tubes made of smooth muscle fibers that propel urine from the kidneys to the urinary bladder. In the adult, the ureters are usually 25–30 cm long and ~3–4 mm in diameter. Histologically, the ureter contains transitional epithelium and an additional smooth muscle layer in the more distal one-third to assist with peristalsis. In humans, the ureters arise from the renal pelvis on the medial aspect of each kidney before descending towards the bladder on the front of the psoas major muscle. The ureters cross the pelvic brim near the bifurcation of the iliac arteries. This is a common site for the impaction of kidney stones. The ureters run posteroinferiorly on the lateral walls of the pelvis and then curve anteriormedially to enter the bladder through the back, at the vesicoureteric junction, running within the wall of the bladder for a few centimetres. The backflow of urine is prevented by valves known as ureterovesical valves. In females, the ureters pass through the mesometrium and under the uterine arteries on the way to the urinary bladder. An effective phrase for remembering this anatomical relationship is "water under the bridge."

U.S. National Library of Medicine

  1. Ureter

    One of a pair of thick-walled tubes that transports urine from the KIDNEY PELVIS to the URINARY BLADDER.


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