internal auditory artery

The labyrinthine artery (auditory artery, internal auditory artery), a long slender branch of the basilar artery, arises from near the middle of the artery; it accompanies the acoustic nerve through the internal acoustic meatus, and is distributed to the internal ear.
See more at Wikipedia.org...

Noun
1. a branch of the basilar artery that supplies the labyrinth
(synonym) labyrinthine artery, artery of the labyrinth
(hypernym) artery, arteria, arterial blood vessel
(part-holonym) inner ear, internal ear, labyrinth