The usually crescent-shaped opening of the urinary bladder into the urethra, placed at the anteroinferior angle (apex) of the urinary bladder trigone. [ MP:0011782 http://www.informatics.jax.org/accession/anna ]

Synonyms: ostium orificium internum internal urethral orifice of urinary bladder orificium urethrae internum ostium urethrae internum internal meatus of urethra internal urethral ostium vesicourethral orifice

This is just here as a test because I lose it

Term information

Subsets

pheno_slim

has related synonym

internal urethral ostium

internal urinary meatus

id

UBERON:0012242