CapsaicinSensory System AgentsTRPV Cation ChannelsNeurons, AfferentNociceptorsReceptors, DrugSubstance PCalcitonin Gene-Related PeptideDose-Response Relationship, DrugCoughIrritantsRats, Sprague-DawleyAntipruriticsCapsicumDiterpenesNeurokinin ANerve Fibers, UnmyelinatedGanglia, SpinalRuthenium RedReflexNerve FibersPainInjections, IntradermalHyperalgesiaMustard PlantTachykininsGuinea PigsAntitussive AgentsAfferent PathwaysPolyunsaturated AlkamidesAdministration, TopicalHot TemperatureKineticsCalciumVagus NerveNeurogenic InflammationMentholBradykininReceptors, Neurokinin-2Sensory Receptor CellsTongueRats, WistarTachyphylaxisPhysical StimulationCells, CulturedElectric StimulationNeurokinin-1 Receptor AntagonistsHydrogen-Ion ConcentrationTime FactorsPain MeasurementAnalgesicsMucunaReceptors, TachykininTrigeminal GanglionReceptors, Neurokinin-1DenervationEndocannabinoidsIsoindolesPain ThresholdPiperidinesHistamineVagotomyPruritus AniNeuronsTrigeminal Caudal NucleusStimulation, ChemicalMembrane PotentialsSkinNodose GanglionMuscle ContractionAdenosine TriphosphateRats, Inbred StrainsTasteRabbitsAtropineArachidonic AcidsDrug InteractionsCell LineTrigeminal NerveRhizotomyTrachea