- the inner portion of the ear, involved in hearing and balance, consisting of a bony labyrinth that is composed of a vestibule, semicircular canals, and a cochlea and that encloses a membranous labyrinth.Compare ear1(def 1).
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Examples from the Web for internal ear
These operations are contra-indicated— If there be internal-ear deafness.
(ii) If there be symptoms of inflammation of the mastoid process, or of internal-ear or of intracranial suppuration.
On exposure of the dura mater an extra-dural abscess may be met with, usually the result of internal-ear suppuration.
- the part of the ear that consists of the cochlea, vestibule, and semicircular canalsAlso called: inner ear, labyrinth
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