Sodium ChannelsSodium Channel BlockersSodiumIon ChannelsEpithelial Sodium ChannelsMembrane PotentialsNAV1.5 Voltage-Gated Sodium ChannelNAV1.2 Voltage-Gated Sodium ChannelNAV1.6 Voltage-Gated Sodium ChannelIon Channel GatingCalcium ChannelsVoltage-Gated Sodium ChannelsElectrophysiologyPotassiumAction PotentialsTetrodotoxinNAV1.8 Voltage-Gated Sodium ChannelElectric ConductivitySodium Channel AgonistsNAV1.1 Voltage-Gated Sodium ChannelPotassium Channels, Inwardly RectifyingNAV1.7 Voltage-Gated Sodium ChannelNAV1.4 Voltage-Gated Sodium ChannelPatch-Clamp TechniquesSaxitoxinPotassium Channel BlockersCalcium Channel BlockersBatrachotoxinsNAV1.3 Voltage-Gated Sodium ChannelChloride ChannelsPotassium Channels, Voltage-GatedScorpion VenomsVoltage-Gated Sodium Channel BlockersNeuronsOocytesCalcium Channels, L-TypeNAV1.9 Voltage-Gated Sodium ChannelCalciumTetraethylammonium CompoundsVeratridineChloridesVoltage-Gated Sodium Channel beta-1 SubunitLidocaineXenopus laevisPotassium Channels, Calcium-ActivatedKineticsEpithelial Sodium Channel BlockersTetraethylammoniumKATP ChannelsXenopusAmilorideCesiumElectric StimulationAxonsCyclic Nucleotide-Gated Cation ChannelsPotassium ChannelsBariumCell Membrane PermeabilityGuinea PigsCalcium Channels, T-TypeDecapodiformesCells, CulturedShaker Superfamily of Potassium ChannelsAcid Sensing Ion ChannelsVoltage-Gated Sodium Channel beta-3 Subunit4-AminopyridineMusclesRanvier's NodesCell MembraneTime FactorsRats, Sprague-DawleyMolecular Sequence DataPyrethrinsAmino Acid SequenceCalcium Channels, N-TypeKCNQ Potassium ChannelsMexiletineDegenerin Sodium ChannelsIon TransportOuabainDose-Response Relationship, DrugTRPC Cation ChannelsLarge-Conductance Calcium-Activated Potassium ChannelsGanglia, SpinalHeartAnuraConotoxinsVoltage-Gated Sodium Channel beta-4 SubunitCockroachesThoracicaKv1.2 Potassium ChannelVoltage-Gated Sodium Channel beta-2 SubunitMyocardiumEpithelial Sodium Channel AgonistsSodium, DietaryMicroelectrodesCell LineHyperpolarization-Activated Cyclic Nucleotide-Gated ChannelsPeriplanetaNeurotoxins