Membrane PotentialsCell MembraneCalciumMembranesIntracellular MembranesPotassiumMembrane LipidsElectrophysiologyPatch-Clamp TechniquesAction PotentialsMembranes, ArtificialCell Membrane PermeabilityElectric ConductivityNeuronsIon ChannelsTetrodotoxinSodiumPotassium ChannelsCalcium ChannelsMembrane FluidityErythrocyte MembranePotassium ChlorideCells, CulturedElectric StimulationIon Channel GatingCalcium Channel BlockersCalcium SignalingGuinea PigsTime FactorsChloridesRats, Sprague-DawleyBasement MembraneMitochondrial MembranesNeuromuscular Depolarizing AgentsPotassium Channel BlockersMembrane Potential, MitochondrialTetraethylammoniumMitochondriaFluorescent DyesVeratridineCortical Spreading DepressionCalcium Channels, L-TypeSodium ChannelsKineticsCell LineTetraethylammonium CompoundsHydrogen-Ion ConcentrationAdenosine TriphosphateEgtazic AcidRats, WistarBariumDose-Response Relationship, DrugModels, BiologicalMuscle ContractionMembrane GlycoproteinsSynaptic Transmission4-AminopyridineMembrane Transport ProteinsExocytosisMicroelectrodesNifedipineIon TransportProtein TransportMicroscopy, ElectronCytosolLipid BilayersRabbitsSignal TransductionChloride ChannelsSynapsesSynaptic MembranesMuscle, SmoothEvoked PotentialsCaffeineMicroscopy, ConfocalFura-2CarbacholExtracellular SpaceGanglia, Sympatheticgamma-Aminobutyric AcidMicroscopy, FluorescenceMagnesiumChelating AgentsBiological Transport, ActiveAcetylcholineMuscle, Smooth, VascularPermeabilitySodium Channel BlockersCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneMutationCationsCesiumEnzyme InhibitorsAnuraOuabainSodium-Potassium-Exchanging ATPaseGlutamic AcidAnimals, NewbornLanthanumMuscles