Medical Dictionary

internal auditory canal

variants: also

internal acoustic meatus


internal auditory meatus

Medical Definition of internal auditory canal

  1. :  a short auditory canal in the petrous portion of the temporal bone through which pass the facial and auditory nerves and the internal auditory artery <Computed tomography is particularly useful for identifying bony lesions of the temporal bone and mastoid process, and magnetic resonance imaging … is now capable of demonstrating lesions such as acoustic neuromas measuring 5 mm in diameter in the internal auditory canal.—Joseph B. Nadol, Jr., The New England Journal of Medicine, 7 Oct. 1993>

Seen and Heard

What made you want to look up internal auditory canal? Please tell us where you read or heard it (including the quote, if possible).