Internal urethral orifice
From BugSigDB
The usually crescent-shaped opening of the urinary bladder into the urethra, placed at the anteroinferior angle (apex) of the urinary bladder trigone
- Aliases
- Internal meatus of urethra
- Internal urethral orifice of urinary bladder
- Internal urethral ostium
- Internal urethral ostium
- Internal urinary meatus
- Orificium urethrae internum
- Ostium orificium internum
- Ostium urethrae internum
- Vesicourethral orifice