vesicoureteral valve

Medical Dictionary

vesicoureteral valve n.
A mechanism in the wall of the intravesical portion of the ureter that prevents the reflux of urine from the bladder into the ureter.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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