Chorda Tympani NerveTasteGlossopharyngeal NerveTaste BudsTongueStimulation, ChemicalLingual NerveGeniculate GanglionQuinineTaste PerceptionSodium ChlorideSodium AcetateTaste ThresholdScala TympaniSodium GlutamateSolitary NucleusHydrochloric AcidAmilorideNeuroanatomical Tract-Tracing TechniquesSweetening AgentsMyringoplastySaccharinNerve FibersSucroseTensor TympaniElectric StimulationCitric AcidAcetic AcidRats, Sprague-DawleyElectrophysiologyParasympathectomyFacial NervePhrenic Nerve