TetrodotoxinSaxitoxinSodium Channel BlockersSodium ChannelsVeratridineAction PotentialsSodiumTissue and Organ ProcurementMembrane PotentialsOrgan TransplantationElectric StimulationAtropineTetraodontiformesMuscle ContractionGuinea PigsMuscle, SmoothFishes, PoisonousProtoveratrinesVeratrinePotassiumElectrophysiologyMultiple Organ FailureNeuronsCalciumGuanethidineIon ChannelsOrgan SizeSynaptic TransmissionOrgan of CortiTetraethylammonium CompoundsOrgan SpecificityHexamethonium CompoundsIleumHexamethoniumRats, Sprague-DawleyAnesthetics, LocalPoisonsElectric ConductivityAcetylcholineToxins, BiologicalPatch-Clamp TechniquesProcaineNeurilemmaAxonsDecapodiformesLidocaineAnuraBatrachotoxinsRana esculentaDose-Response Relationship, DrugMarine ToxinsTime FactorsMuscle RelaxationRats, WistarGastrointestinal MotilityCalcium Channel BlockersColonNeurotransmitter AgentsNorepinephrineAconitinegamma-Aminobutyric AcidMusclesNeuromuscular JunctionMyenteric PlexusSerotoninNeurotoxinsCnidarian VenomsTetraethylammoniumNerve EndingsConotoxinsScorpion VenomsCesiumVomeronasal OrganEnteric Nervous SystemAnimals, NewbornMethysergideElectrophorusNAV1.8 Voltage-Gated Sodium Channel6-Cyano-7-nitroquinoxaline-2,3-dioneVasoactive Intestinal PeptideRanvier's NodesGABA AntagonistsTubocurarineMuscle DenervationNeuromuscular Depolarizing AgentsSynapsesExcitatory Amino Acid AntagonistsPhentolamineVoltage-Gated Sodium ChannelsSubfornical OrganEvoked PotentialsApaminSubstance P4-AminopyridineCells, CulturedMicroelectrodesNeural ConductionCrustaceaRats, Inbred StrainsPhysostigmine