MicrocirculationCerebrovascular CirculationBrainOxygenOxygen ConsumptionReactive Oxygen SpeciesBrain ChemistryBrain InjuriesArteriolesBrain NeoplasmsMouth FloorCapillariesLaser-Doppler FlowmetryBrain MappingVenulesCheekMicrovesselsMicroscopy, VideoMicroscopic AngioscopyLeukocytesBlood Flow VelocityRegional Blood FlowOxygen Inhalation TherapyLiver CirculationSinglet OxygenVasodilationBrain IschemiaRats, Sprague-DawleyCoronary CirculationBrain EdemaSplanchnic CirculationEndothelium, VascularBrain StemMagnetic Resonance ImagingRetinal VesselsTime FactorsRats, WistarAcridine OrangeHemodynamicsSkinVasodilator AgentsMesocricetusDisease Models, AnimalBlood-Brain BarrierNitric OxidePartial PressurePia MaterCapillary PermeabilityVasoconstrictionAnoxiaCerebral CortexReperfusion InjuryBlood PressureLeukocyte RollingBrain AbscessFluorescein-5-isothiocyanateImage Processing, Computer-AssistedOxygen IsotopesMice, Inbred C57BLHemorheologyHypoxia, BrainOxidative StressVascular ResistanceMesenteryNeuronsRenal CirculationErythrocytesCorrosion CastingCell AdhesionNailsBlood Gas Monitoring, TranscutaneousSkin Window TechniqueDiagnostic Techniques, Cardiovascular