Calcium SignalingFluorescent DyesArsenazo IIIFura-2Membrane PotentialsCalciumCalcium ChannelsBenzofuransColoring AgentsXanthenesCalcium, DietaryElectrophysiologyKineticsSodiumNeuronsAction PotentialsHydrogen-Ion ConcentrationElectric StimulationChloridesCalcium CarbonateCells, CulturedMicroscopy, FluorescenceIon Channel GatingSpectrometry, FluorescencePatch-Clamp TechniquesTime FactorsCalcium Channels, L-TypeCalcium PhosphatesRats, Sprague-DawleyElectric ConductivityCalcium IsotopesCalcium ChlorideIon ChannelsPotassiumCalcium OxalateCalcium GluconateHair DyesEgtazic AcidPotassium ChannelsCalcium RadioisotopesCalcium Channels, N-TypeOocytesCalcium Channel AgonistsCalcium CompoundsXenopus laevisNifedipineMagnesiumRosaniline DyesVoltage-Sensitive Dye ImagingTetrodotoxinModels, BiologicalChelating AgentsDose-Response Relationship, DrugCalcimycinElectricityIon TransportShaker Superfamily of Potassium ChannelsRabbitsPotassium Channels, Voltage-GatedMyocardiumRyanodine Receptor Calcium Release ChannelXenopusCell Membrane PermeabilityBariumCalcium HydroxideDihydropyridinesPhosphorusThapsigarginVerapamilCalcium SulfateDecapodiformesLanthanumParathyroid HormoneMusclesStrontiumCaffeineRana pipiensTetraethylammoniumMolecular Sequence DataIntracellular FluidCytosolPyridinium CompoundsHeartAmino Acid SequenceCell LineCalcium CitrateAdenosine TriphosphateCesiumSpider Venomsomega-Conotoxin GVIACalcium Channels, P-TypeExtracellular SpaceMicroelectrodesS100 Calcium Binding Protein GBiophysicsRats, WistarTetraethylammonium CompoundsElectric CapacitanceSodium Channel BlockersCalcium-Binding Proteins