internal auditory meatus

noun

Anatomy.

1. the canal extending through the petrous portion of the temporal bone, through which the glossopharyngeal nerve, the facial nerve, and the auditory nerve and artery pass.

Example Sentences

Specifically, I’d like to acquaint you with the internal auditory meatus.

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The internal auditory meatus is located due south of the temporal bone.

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Cyar, sī′ar, n. the internal auditory meatus.

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Acoustic or Auditory Nerve.—The acoustic nerve is liable to be damaged along with the facial in tumours of the cerebello-pontine angle, and in fractures which traverse the internal auditory meatus.

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Macewen has pointed out that cerebral abscess never occurs from pyogenic organisms passing from the middle ear by way of the internal auditory meatus, although lepto-meningitis may do so.

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