Vestibular Aqueduct

**Definition:** A small bony canal linking the vestibule of the inner ear to the posterior part of the internal surface of the petrous TEMPORAL BONE. It transmits the endolymphatic duct and two small blood vessels.

**Tree numbers:** - A09.246.300.909.957 - A09.923.500.957

**Synonyms:** - Aqueduct of Vestibule