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