DiffusionDiffusion Magnetic Resonance ImagingDiffusion Tensor ImagingAnisotropyExtracellular SpaceNerve Fibers, MyelinatedBrainModels, BiologicalFacilitated DiffusionMicroscopy, ElectronComputer SimulationTime FactorsKineticsPotassiumCell MembraneAlgorithmsBiological TransportExtracellular FluidCalciumInulinPhotobleachingImage Processing, Computer-AssistedMathematicsCell Membrane PermeabilityReproducibility of ResultsLanthanumMagnetic Resonance ImagingDextransAquaporin 4WaterSodiumFluorescent DyesMicroelectrodesSucroseImage Interpretation, Computer-AssistedIntracellular FluidOsmolar ConcentrationModels, TheoreticalHydrogen-Ion ConcentrationNeurogliaRats, Sprague-DawleyBody WaterMembrane PotentialsModels, NeurologicalMannitolSecretory PathwayCrystallizationImage EnhancementGlutamic AcidThuliumMicroscopy, FluorescenceBiological Transport, ActiveRats, WistarRabbitsNeuronsFluorescence Recovery After PhotobleachingAstrocytesDiffusion of InnovationTemperatureMicrodialysisNeurilemmaCells, CulturedElectroosmosisImaging, Three-DimensionalMagnetic Resonance SpectroscopyIntercellular JunctionsCytoplasmSensitivity and SpecificityMolecular Sequence DataPermeabilityExosomesDisk Diffusion Antimicrobial TestsModels, MolecularEpidural SpaceModels, ChemicalModels, StatisticalAmino Acid Transport System X-AGOsmosisElectrophysiologyExocytosisQuaternary Ammonium CompoundsProtein TransportMicroscopy, ConfocalChloridesBiophysicsHippocampusAmino Acid SequenceOptics and PhotonicsAnuraSpace PerceptionSodium IsotopesBrain EdemaAdenosine TriphosphateHypoxia, BrainCorpus CallosumPersonal SpaceColoring AgentsPerfusionIntracellular SpaceMonte Carlo Method