Hair Cells, Auditory, OuterCochleaHair Cells, AuditoryOrgan of CortiHair Cells, Auditory, InnerAnion Transport ProteinsHairGuinea PigsMolecular Motor ProteinsHair Cells, VestibularMechanotransduction, CellularGerbillinaeHearingPatch-Clamp TechniquesSaccule and UtricleMembrane PotentialsElectrophysiologyCell MovementBasilar MembraneElectric CapacitanceHair FollicleTectorial MembraneEar, InnerCell MembraneStereociliaCochlear Microphonic PotentialsEvoked Potentials, Auditory, Brain StemOtoacoustic Emissions, SpontaneousCochlear DiseasesSpiral GanglionHearing LossHearing Loss, Noise-InducedAuditory ThresholdCochlear NerveStria VascularisHair Cells, AmpullaNeurons, EfferentChinchillaDeafnessBacterial Outer Membrane ProteinsAcoustic StimulationVestibule, LabyrinthHair ColorHair DiseasesTranscription Factor Brn-3CLateral Line SystemCochlear DuctPyridinium CompoundsHearing Loss, SensorineuralPresbycusisEfferent PathwaysCiliaNoiseHair RemovalMicroscopy, Electron, ScanningLabyrinth Supporting CellsKCNQ Potassium ChannelsHair DyesDihydrostreptomycin SulfateSound