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ureter

 - 6 dictionary results

u⋅re⋅ter

[yoo-ree-ter]
–noun Anatomy, Zoology.
a muscular duct or tube conveying the urine from a kidney to the bladder or cloaca.


Origin:
1570–80; < NL < Gk ourētr, equiv. to ourē- (verbid s. of oureîn to urinate ) + -tēr n. suffix


u⋅re⋅ter⋅al, u⋅re⋅ter⋅ic [yoor-i-ter-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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u·re·ter   (yŏŏ-rē'tər, yŏŏr'ĭ-tər)   
n.  The long, narrow duct that conveys urine from the kidney to the urinary bladder or cloaca.

[New Latin ūrētēr, from Greek ourētēr, from ourein, to urinate.]
u·re'ter·al, u're·ter'ic (yŏŏr'ĭ-těr'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ure·ter
Pronunciation: 'yur-&t-&r, yu-'rEt-&r
Function: noun
: either of the paired ducts that carry away urine from a kidneyto the bladder or cloaca and that in humans are slender membranous epithelium-lined flat tubes about sixteen inches (41 centimeters) long which open above into the pelvis of a kidney and below into theback part of the same side of the bladder at a very oblique angle
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

ureter u·re·ter (y&oobreve;-rē'tər, y&oobreve;r'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 (y&oobreve;r'ĭ-těr'ĭk) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
ureter   (y-rē'tər, yr'ĭ-tər)  Pronunciation Key 
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.
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Encyclopedia

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

Learn more about ureter with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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