internal auditory canal

variants: also internal acoustic meatus or internal auditory meatus

Medical Definition of internal auditory canal

: 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

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Dictionary Entries near internal auditory canal

internal

internal anal sphincter

internal auditory artery

internal auditory canal

internal capsule

internal carotid artery

internal ear

Cite this Entry

“Internal auditory canal.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/internal%20auditory%20canal. Accessed 22 Jan. 2021.