Extracellular SpaceDiffusionDextransDiffusion Magnetic Resonance ImagingDiffusion Tensor ImagingAnisotropyBrainNerve Fibers, MyelinatedBrain ChemistryModels, BiologicalBrain NeoplasmsBrain InjuriesMicroscopy, ElectronBrain MappingPotassiumExtracellular FluidTime FactorsBrain EdemaMagnetic Resonance ImagingInulinCalciumBiological TransportKineticsCell MembraneNeuronsComputer SimulationRats, Sprague-DawleyLanthanumAquaporin 4NeurogliaImage Processing, Computer-AssistedPhotobleachingBrain IschemiaAstrocytesAlgorithmsHypoxia, BrainFacilitated DiffusionMicroelectrodesGlutamic AcidSucroseSodiumRats, WistarIntracellular FluidBlood-Brain BarrierCell Membrane PermeabilityMicrodialysisModels, NeurologicalSecretory PathwayCerebral CortexThuliumOsmolar ConcentrationHippocampusCells, CulturedMannitolMembrane PotentialsMolecular Sequence DataNeurilemmaFluorescent DyesBody WaterElectroosmosisMathematicsExosomesReproducibility of ResultsHydrogen-Ion ConcentrationRabbitsBrain StemTissue DistributionIntercellular JunctionsAmino Acid SequenceBiological Transport, ActiveImmunohistochemistryAmino Acid Transport System X-AGEpidural SpaceWaterCytoplasmMicroscopy, FluorescenceSpace PerceptionElectrophysiologyExocytosisSodium IsotopesSynapsesMice, Inbred C57BLImaging, Three-DimensionalCrystallizationProtein TransportImage Interpretation, Computer-AssistedPersonal SpaceMagnetic Resonance SpectroscopySynaptic TransmissionSignal TransductionElectric StimulationQuaternary Ammonium CompoundsOsmosisGlucose Solution, HypertonicMicroscopy, ImmunoelectronCell LineChloridesOptics and PhotonicsAdenosine TriphosphateAnura