ureter

[yoo-ree-ter] /yʊˈri tər/
noun, Anatomy, Zoology
1.
a muscular duct or tube conveying the urine from a kidney to the bladder or cloaca.
Origin
1570-80; < New Latin < Greek ourētḗr, equivalent to ourē- (verbid stem of oureîn to urinate) + -tēr noun suffix
Related forms
ureteral, ureteric
[yoo r-i-ter-ik] /ˌyʊər ɪˈtɛr ɪk/ (Show IPA),
adjective
postureteral, adjective
postureteric, adjective
Examples from the web for ureter
  • So to the eye, there might not even be a ureter as far as it is concerned.
  • The proximal portion of the diverticulum becomes the ureter.
  • The free border is convex, and is directed toward the ureter.
  • The renal pelvis, wide above and narrow below where it joins the ureter, is partly outside the renal sinus.
  • The urine produced by the kidneys flows down a tubelike structure, the ureter, to the bladder.
  • Each ureter has a one-way valve where it enters the bladder, preventing urine from flowing back up the ureter.
  • Melanoma of the urethra, bladder and ureter usually requires extensive surgery, however.
British Dictionary definitions for ureter

ureter

/jʊˈriːtə/
noun
1.
the tube that conveys urine from the kidney to the urinary bladder or cloaca
Derived Forms
ureteral, ureteric (ˌjʊərɪˈtɛrɪk) adjective
Word Origin
C16: via New Latin from Greek ourētēr, from ourein to urinate
Word Origin and History for ureter

1570s, from medical Latin ureter, from Greek oureter, from ourein "to urinate," from ouron (see urine).

ureter in Medicine

ureter u·re·ter (yu-rē'tər, yur'ĭ-tər)
n.
The long narrow duct that conveys urine from the kidney to the urinary bladder.


u·re'ter·al or u're·ter'ic (yur'ĭ-těr'ĭk) adj.
ureter in Science
ureter
  (y-rē'tər, yr'ĭ-tər)   
Either of two long, narrow ducts that in vertebrates carry urine from each kidney to the urinary bladder.
Encyclopedia Article for ureter

one of two ducts that transmit urine from each kidney to the bladder. Each ureter is a narrow tube that is about 12 inches (30 cm) long. A ureter has thick, contractile walls, and its diameter varies considerably at different points along its length. The tube emerges from each kidney, descends behind the abdominal cavity, and opens into the bladder. At its termination the ureter passes through the bladder wall in such a way that, as the bladder fills with urine, this terminal part of the ureter tends to close

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