acoustic meatus


acoustic meatus

n.

  1. The passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; external acoustic meatus.
  2. A canal running through the petrous portion of the temporal bone, giving passage to the facial and vestibulocochlear nerves and to the labyrinthine artery and veins; internal acoustic meatus.

Leave a Reply

Your email address will not be published. Required fields are marked *

38 queries 1.580