# hair cell

> English word · Noun

## Definitions
1. Any of the sensory receptors of both the auditory system and the vestibular system in all vertebrates.

## Etymology
Referring to the tufts of stereocilia that protrude from the apical surface of the cell, a structure known as the hair bundle, into the scala media, a fluid-filled tube within the cochlea.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/hair-cell