Cell Membrane PermeabilityPermeabilityCalciumCalcium ChannelsReceptors, NicotinicReceptors, AMPAEgtazic AcidCapillary PermeabilityMembrane PotentialsCalcium SignalingNeuronsPatch-Clamp TechniquesCells, CulturedCalcium, DietaryCalcium CarbonateCalcium IsotopesCalcium PhosphatesCalcium ChlorideCalcium Channels, L-TypeCalcium OxalateCalcium RadioisotopesCalcium GluconateTight JunctionsIntestinal AbsorptionBlood-Brain BarrierPotassiumMannitolCalcium CompoundsSodiumLactuloseMitochondrial Membrane Transport ProteinsKineticsTime FactorsBiological TransportCalcium Channels, N-TypeWaterDentin PermeabilityIon ChannelsRats, Sprague-DawleyCalcium Channel AgonistsEvans BlueCalcimycinMagnesiumRabbitsOsmosisOccludinFluorescent DyesMitochondrial SwellingDose-Response Relationship, DrugChelating AgentsHydrogen-Ion ConcentrationModels, BiologicalLanthanumAquaporinsNifedipineRats, WistarBiological Transport, ActivePhosphorusChloridesCalcium HydroxideElectric ConductivityIntracellular MembranesElectric ImpedanceFura-2Endothelium, VascularMitochondriaVerapamilThapsigarginDextransElectrophysiologyCalcium SulfateCaco-2 CellsParathyroid HormoneAdenosine TriphosphateCytosolOsmolar ConcentrationDiffusionCell LineZonula Occludens-1 ProteinMembrane ProteinsAquaporin 1Signal TransductionIonophoresCalcium CitrateIntercellular JunctionsRyanodine Receptor Calcium Release ChannelIon TransportCattleEnzyme InhibitorsS100 Calcium Binding Protein GBlood-Retinal BarrierFluoresceinCalcium PyrophosphateCalcium-Binding ProteinsIon Channel GatingCalcium Metabolism DisordersFluoresceinsAlbuminsCyclophilinsEdetic Acid