Neurons, AfferentNeuronsNodose GanglionGanglia, SpinalCapsaicinMotor NeuronsAction PotentialsVagus NerveAfferent PathwaysSensory Receptor CellsSensory System AgentsTRPV Cation ChannelsNociceptorsCalcitonin Gene-Related PeptideRats, Sprague-DawleyPatch-Clamp TechniquesElectrophysiologyMechanoreceptorsPhysical StimulationSubstance PElectric StimulationNerve Fibers, UnmyelinatedVisceral AfferentsSpinal CordLateral Line SystemTrigeminal GanglionAxonsTetrodotoxinMembrane PotentialsCholecystokininDopaminergic NeuronsNeurons, EfferentSynaptic TransmissionSynapsesCells, CulturedHyperalgesiaRats, WistarImmunohistochemistryStilbamidinesNerve Tissue ProteinsGABAergic NeuronsAxotomyNeuropeptidesReceptors, Purinergic P2X3Brain StemHippocampusMedulla OblongataGanglia, SensoryPainDendritesCatsNerve FibersPosterior Horn CellsDura MaterSodium ChannelsAnimals, NewbornOlfactory Receptor NeuronsNAV1.8 Voltage-Gated Sodium ChannelSciatic NerveVoltage-Gated Sodium Channel BlockersVesicular Glutamate Transport Protein 2SerotoninExcitatory Postsynaptic PotentialsCholinergic NeuronsTrigeminal NerveSubmucous PlexusUrinary BladderCerebral CortexTransient Receptor Potential ChannelsAmidinesgamma-Aminobutyric AcidTime FactorsNociceptionCell SizeGuinea PigsStomachNeural InhibitionCell CountDiterpenesTrigeminal NucleiBehavior, AnimalMotor Neuron DiseaseCalciumMyenteric PlexusModels, NeurologicalVoltage-Gated Sodium ChannelsEvoked PotentialsLaryngeal NervesCystitisTachykininsReceptor, Cholecystokinin APyramidal CellsNeuritisNerve Fibers, MyelinatedSpinal NervesDose-Response Relationship, DrugNerve Growth FactorSkinMice, Inbred C57BLNeuronal Plasticity