TetrodotoxinElectric StimulationElectric Stimulation TherapyStimulation, ChemicalSaxitoxinAction PotentialsSodium Channel BlockersPhysical StimulationDeep Brain StimulationAtropineMembrane PotentialsMuscle ContractionSodium ChannelsCalciumSodiumVeratridineTranscranial Magnetic StimulationGuinea PigsCells, CulturedNeuronsRats, Sprague-DawleyElectrophysiologyMuscle, SmoothSynaptic TransmissionTime FactorsPotassiumDose-Response Relationship, DrugGuanethidineCatsTetraodontiformesNorepinephrineAcetylcholineEvoked PotentialsVagus NerveRats, WistarHexamethonium CompoundsVeratrineProtoveratrinesPatch-Clamp TechniquesFishes, PoisonousKineticsSignal TransductionIon ChannelsTranscutaneous Electric Nerve StimulationHexamethoniumNeural InhibitionIleumTetraethylammonium CompoundsMusclesSynapsesElectric ConductivityAnesthetics, LocalCarbacholMotor NeuronsRats, Inbred StrainsMuscle RelaxationAxonsParasympathetic Nervous SystemPhotic StimulationNeuromuscular JunctionMicroelectrodesNeural ConductionCell LineRabbitsNeurotransmitter AgentsNeurons, AfferentPhentolamineDogsSerotoninLidocaineSpinal CordIsoproterenolPhosphorylationElectrodes, ImplantedCalcium Channel BlockersSympathetic Nervous SystemAnuraPoisonsGastrointestinal Motilitygamma-Aminobutyric AcidProcaineToxins, BiologicalReflexExcitatory Amino Acid AntagonistsExcitatory Postsynaptic PotentialsAnimals, NewbornEnzyme ActivationAcoustic StimulationRNA, MessengerVasoactive Intestinal PeptideCyclic AMPGABA AntagonistsHippocampusColonRana esculentaEnzyme InhibitorsPropranololNerve EndingsSubstance P6-Cyano-7-nitroquinoxaline-2,3-dione