Extracellular SpaceDiffusionMicroscopy, ElectronPotassiumFree RadicalsCalciumExtracellular FluidModels, BiologicalInulinLanthanumCell MembraneBrainBiological TransportAquaporin 4Time FactorsIntracellular FluidSecretory PathwayKineticsNeurogliaThuliumSucroseSodiumMicroelectrodesGlutamic AcidAstrocytesMicrodialysisNeurilemmaPhotobleachingMannitolExosomesElectroosmosisMembrane PotentialsCell Membrane PermeabilityCells, CulturedRats, Sprague-DawleyDextransEpidural SpaceOsmolar ConcentrationIntercellular JunctionsNeuronsAmino Acid Transport System X-AGSodium IsotopesExocytosisMolecular Sequence DataRats, WistarPersonal SpaceRabbitsComputer SimulationSpace PerceptionHydrogen-Ion ConcentrationGlucose Solution, HypertonicFluorescent DyesCytoplasmBody WaterMicroscopy, ImmunoelectronBiological Transport, ActiveElectrophysiologyAdenosine TriphosphateMicroscopy, FluorescenceAmino Acid SequenceModels, NeurologicalChloridesAnuraProtein TransportHippocampusIntracellular SpaceExtracellular MatrixCell LineCalcium SignalingQuaternary Ammonium CompoundsCalcium RadioisotopesFiber Optic TechnologyOptics and PhotonicsGap JunctionsOsmosisHypoxia, BrainOuabainSynapsesFreeze FracturingSynaptic TransmissionMusclesCarbonic Anhydrase IVElectric StimulationColoring AgentsMyocardiumPerfusionSignal TransductionCytoplasmic VesiclesModels, MolecularMicroscopy, Electron, TransmissionCytoplasmic GranulesSorbitolAdenosineImmunohistochemistryProtein BindingBody FluidsBlood-Brain BarrierTissue DistributionMicroscopy, Electron, ScanningCortical Spreading Depression