Calcium ChannelsCalcium Channels, N-TypeCalcium Channels, T-TypeCalcium Channels, L-TypeCalcium SignalingCalciumCalcium Channel BlockersIon ChannelsIon Channel GatingMembrane PotentialsElectrophysiologyElectric ConductivityPatch-Clamp TechniquesCalcium Channel AgonistsPotassium Channel BlockersNifedipineKineticsPotassiumChloride ChannelsPotassium Channels, Inwardly RectifyingBariumDihydropyridinesPotassium Channels, Voltage-GatedCalcium Channels, P-Typeomega-Conotoxin GVIACalcium Channels, Q-TypeCalcium Channels, R-TypeOocytesAction PotentialsXenopus laevisNeuronsPotassium ChannelsSodiumTetraethylammoniumTetraethylammonium CompoundsCells, CulturedTetrodotoxinVoltage-Dependent Anion ChannelsDose-Response Relationship, DrugTime FactorsVoltage-Dependent Anion Channel 1Cesiumomega-ConotoxinsMolecular Sequence DataCalcium, DietaryPotassium Channels, Calcium-ActivatedXenopusRats, Sprague-DawleyModels, BiologicalCell LineDiltiazemIsradipineVerapamilShaker Superfamily of Potassium ChannelsAmino Acid SequenceElectric StimulationKATP ChannelsSodium Channel BlockersMibefradilNitrendipineEther-A-Go-Go Potassium ChannelsNimodipineLarge-Conductance Calcium-Activated Potassium ChannelsIon TransportRabbitsMagnesiumChloridesEgtazic AcidMyocardiumGuinea Pigsomega-Agatoxin IVABatrachotoxinsTRPC Cation ChannelsCell Membrane4-AminopyridineAdenosine TriphosphateNickelCyclic Nucleotide-Gated Cation ChannelsRats, WistarHeartLipid BilayersCadmiumMutationHydrogen-Ion ConcentrationMusclesSodium ChannelsSpider VenomsProtein SubunitsRana esculentaScorpion VenomsCalcium CarbonateRyanodine Receptor Calcium Release ChannelCalcium ChlorideTRPV Cation ChannelsCell Membrane PermeabilityKv1.2 Potassium ChannelCationsBiophysicsDecapodiformesNicardipine