Calcium SignalingCalciumCalcium ChannelsCalcium, DietaryIntracellular FluidEgtazic AcidCalcium CarbonateFura-2Chelating AgentsThapsigarginCalcium ChlorideCalcium Channels, L-TypeCalcium IsotopesCells, CulturedCalcium PhosphatesCalcimycinAequorinInositol 1,4,5-Trisphosphate ReceptorsIonomycinMembrane PotentialsCalcium RadioisotopesInositol 1,4,5-TrisphosphateIntracellular SpaceCalcium OxalateIonophoresSignal TransductionCalcium Channel AgonistsCaffeineNifedipineFluorescent DyesCalcium GluconateDose-Response Relationship, DrugRyanodineNeuronsCytosolCalcium Channel BlockersKineticsVerapamilTime FactorsRats, Sprague-DawleyPatch-Clamp TechniquesRyanodine Receptor Calcium Release ChannelGallic AcidCell LineXanthenesCalcium Channels, N-TypeType C PhospholipasesAdenosine TriphosphateIntracellular MembranesAniline CompoundsPotassiumDantroleneCalcium CompoundsElectrophysiologyCalmodulinProtein Kinase CCyclic AMPEstrenesReceptors, Calcium-SensingEnzyme InhibitorsHomeostasisMyocardiumBenzofuransLanthanumMyocardial ContractionRats, WistarTerpenesExtracellular SpaceSodiumCalcium-Binding ProteinsIon TransportOsmolar ConcentrationMagnesiumPyrrolidinonesPotassium ChlorideSodium-Calcium ExchangerS100 Calcium Binding Protein GRabbitsInositol PhosphatesParathyroid HormoneMicroscopy, FluorescenceModels, BiologicalMuscle ContractionElectric StimulationEnzyme ActivationPhosphorylationMicroscopy, ConfocalSecond Messenger SystemsDihydropyridinesCytophotometryDiltiazemEndoplasmic ReticulumIon ChannelsSarcoplasmic Reticulum Calcium-Transporting ATPasesCarbacholBuffersCalcium-Transporting ATPasesIndolesCell Membrane PermeabilityMyocytes, Cardiac