what do hair cells do
Abstract. Hair cells are the sensory receptors in the inner ear that detect sound and head motion to begin the processes of hearing and balance control. The defining feature of hair cells is the hair bundle, the transduction organelle protruding from their apical surface composed of ordered arrays of stereocilia.nner ear hair cells derive their name from the stereocilia that protrude from their apical surface, which are deflected as a result of sound (cochlea) or head movement (vestibular organs) and initiate the sensory transduction process.