Ureteral orifice

System Urinary
SNOMED CT 181415004

Ureteral orifice

Definition

The slit-like opening of either ureter into the bladder; normally, the two ureteral orifices are placed at the posterolateral angles of the urinary bladder trigone while the internal urethral orifice is placed at its anteroinferior angle (apex); wide gaping usually indicates vesicoureteral reflux.

Also known as Mercier's bar, orifice of ureter, orificium ureteris, ostium ureteris, ureteral meatus, ureteral opening, ureteric orifice, ureteric ostium, ureterovesical orifice — per UBERON

The Ureteral orifice is a part of the Urinary.

Also identified as