inner ear

American  

noun

1. internal ear.

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inner ear British  

noun

1. another name for internal ear labyrinth

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inner ear Scientific  

/ ĭn′ər /

1. The innermost part of the ear in many vertebrate animals, consisting of the cochlea, the semicircular canals, and the vestibule. Sound vibrations are transmitted from the cochlea of the inner ear to the brain by the auditory nerve. The semicircular canals and the vestibule are the body's organs of balance.

2. See more at ear

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inner ear Cultural  

1. The part of the ear, located deep within the skull, where sound vibrations are converted to electrical signals and sent to the brain via the auditory nerve to produce the sensation of hearing. Organs related to balance are also located in the inner ear.

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Etymology

Origin of inner ear

First recorded in 1920–25

Example Sentences

Under general anesthesia, a surgeon makes a small opening in the cochlea and uses a thin tube to slowly infuse the liquid therapy directly into the inner ear for about 16 minutes.

From The Wall Street Journal • Apr. 23, 2026

Sound travels normally through the ear canal, eardrum, and into the fluid-filled inner ear.

From The Wall Street Journal • Apr. 23, 2026

"We were able to compare its most preserved inner ear area with other Gogo lungfish. This is an extra data point in the amazing collection of lungfish and early vertebrate species," she says.

From Science Daily • Mar. 12, 2026

This technique records electrical activity between the inner ear and the brain using small electrodes placed on the animals while short bursts of sound are played through a small loudspeaker.

From Science Daily • Mar. 12, 2026

However, musically, it is quite advanced in that as you gradually silence the letter of the word B-I-N-G-O, the brain compensates for the missing pitch and rhythm using the inner ear.

From "Music and the Child" by Natalie Sarrazin