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Medical Definition of Orificium ureteris
1. The opening of the ureter in the bladder, situated one at each lateral angle of the trigone; wide gaping of the ostium usually indicates vesicoureteral reflux. Synonym: ostium ureteris, orificium ureteris, ureteral meatus, ureteral opening. (05 Mar 2000)
Lexicographical Neighbors of Orificium Ureteris
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