Internal urethral orifice

System Urinary
SNOMED CT 362228001

Internal urethral orifice

Definition

The usually crescent-shaped opening of the urinary bladder into the urethra, placed at the anteroinferior angle (apex) of the urinary bladder trigone.

Also known as internal meatus of urethra, internal urethral orifice of urinary bladder, internal urethral ostium, orificium urethrae internum, ostium orificium internum, ostium urethrae internum, vesicourethral orifice — per UBERON

The Internal urethral orifice is a part of the Urinary.

Also identified as