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trigone |
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trigone /tri·gone/ (tri´gon) 1. triangle. 2. the first three cusps of an upper molar tooth. trigone of bladder vesical t. carotid trigone the triangular area bounded by the posterior belly of the digastric muscle, the sternocleidomastoid muscle, and the anterior midline of the neck. olfactory trigone the triangular area of gray matter between the roots of the olfactory tract. vesical trigone the smooth triangular portion of the mucosa at the base of the bladder, bounded behind by the interureteric fold, ending in front in the uvula of the bladder.
trigone 1. a triangular area. See also triangle. 2. the primary three cusps of an upper cheek tooth. olfactory trigone the triangular area of gray matter between the roots of the olfactory tract. vesical trigone a triangular region of the wall of the urinary bladder, the three angles corresponding with the orifices of the ureters and urethra; it is an area in which the muscle fibers are closely adherent to the mucosa. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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