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trigone

[trahy-gohn] /ˈtraɪ goʊn/
noun
1.
Also, trigonum. Anatomy.
  1. a triangular part or area.
  2. the area on the floor of the urinary bladder between the opening of the urethra in front and the two ureters at the sides.
2.
Botany. a thickened area where three or more plant cells come together.
Origin
1825-1835
1825-35; < French < Latin trigōnum triangle; see trigon
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for trigone
  • Two of the openings are from the ureters and form the base of the trigone.
trigone in Medicine

trigone tri·gone (trī'gōn')
n.

  1. A triangle or trigonum.

  2. The first three dominant cusps of an upper molar tooth.


tri·go'nal 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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