What do a.m. and p.m. stand for?


[yoo-ree-ter] /yʊˈri tər/
noun, Anatomy, Zoology
a muscular duct or tube conveying the urine from a kidney to the bladder or cloaca.
Origin of ureter
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),
postureteral, adjective
postureteric, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
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


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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for ureter

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

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
ureter in Medicine

ureter u·re·ter (yu-rē'tər, yur'ĭ-tər)
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.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
ureter in Science
  (y-rē'tər, yr'ĭ-tər)   
Either of two long, narrow ducts that in vertebrates carry urine from each kidney to the urinary bladder.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for ureter

Most English speakers likely know this word

Word Value for ureter

Scrabble Words With Friends

Nearby words for ureter