Hair Cells, VestibularHair Cells, AuditorySaccule and UtricleAcoustic MaculaeVestibule, LabyrinthHair Cells, Auditory, InnerStereociliaEar, InnerHairCochleaCalbindin 2Vestibular NerveStria VascularisHair Cells, Auditory, OuterColumbidaeS100 Calcium Binding Protein GMechanotransduction, CellularAfferent PathwaysPatch-Clamp TechniquesOrgan of CortiHair FollicleMice, Mutant StrainsAnimals, NewbornMembrane PotentialsCilia