Calcium SignalingCalciumCalcium ChannelsCalcium, DietaryCalcium CarbonateFura-2Calcium ChlorideEgtazic AcidCalcium IsotopesCalcium GluconateCalcium PhosphatesHypercalcemiaCytosolParathyroid HormoneAequorinCalcium Channels, L-TypeHypocalcemiaCalcium RadioisotopesMembrane PotentialsChelating AgentsCalcimycinIntracellular FluidCells, CulturedFluorescent DyesPhosphorusKineticsReceptors, Calcium-SensingMagnesiumThapsigarginCalcium OxalateNifedipineCaffeineOsmolar ConcentrationPotassiumParathyroid GlandsCalcium Channel AgonistsDose-Response Relationship, DrugTime FactorsIonomycinAminoquinolinesVerapamilBenzofuransSodiumInositol 1,4,5-TrisphosphateAdenosine TriphosphateExtracellular SpaceCalcium Metabolism DisordersAniline CompoundsPatch-Clamp TechniquesIonophoresRabbitsLanthanumXanthenesMuscle ContractionNeuronsCalcium CompoundsElectrophysiologyHydrogen-Ion ConcentrationCalcium Channels, N-TypeCalcium-Binding ProteinsRats, WistarInositol 1,4,5-Trisphosphate ReceptorsHyperparathyroidismRats, Sprague-DawleyElectric StimulationRyanodineCalcium Channel BlockersMyocardiumSignal TransductionHomeostasisMurexideCalmodulinMyocardial ContractionRyanodine Receptor Calcium Release ChannelPotassium ChlorideDiltiazemRats, Inbred StrainsType C PhospholipasesCytoplasmCell Membrane PermeabilityStrontiumCalcitriolCyclic AMPHypoparathyroidismCattleIntracellular MembranesS100 Calcium Binding Protein GBiological Transport, ActiveCell LineCarbacholBuffersIon ChannelsBone and BonesCalcium-Transporting ATPasesIon TransportExocytosisDihydropyridinesEthersCalcium HydroxideProtein Kinase C