Regional Blood FlowBlood Flow VelocityPulsatile FlowRheologyBlood PressureFlow CytometryGene FlowStress, MechanicalHemorheologyLingual NervePulmonary CirculationCerebrovascular CirculationCoronary CirculationBronchial ArteriesCollateral CirculationLaser-Doppler FlowmetryPerfusionWater MovementsVascular ResistancePressureTime FactorsArteriesUltrasonography, Doppler, ColorPeak Expiratory Flow RateMechanotransduction, CellularModels, CardiovascularShear StrengthMicrocirculationEndothelium, VascularHypertensionModels, BiologicalHemodynamicsOxygenPulmonary VentilationSwineDogsModels, AnimalRats, Sprague-DawleyHeart RateEndothelial CellsOxygen ConsumptionHyperemiaComputer SimulationPulmonary ArteryRabbitsAortaCoronary VesselsProspective StudiesBrainCattleBlood ViscosityTreatment OutcomeLungBlood CirculationAntihypertensive AgentsOptic FlowMuscle, Smooth, VascularCells, CulturedFlow Injection AnalysisBlood CoagulationPredictive Value of TestsHematocritMicrospheresBlood GlucoseReninCross-Over StudiesDouble-Blind MethodKineticsDose-Response Relationship, DrugRenal CirculationKidneyBlood Pressure DeterminationRats, Inbred SHRVasodilationVasodilator AgentsCardiac OutputRandom AllocationCarbon DioxideReference ValuesBloodDiet, Sodium-RestrictedBlood VolumeLipidsRats, WistarBlood Pressure Monitoring, AmbulatorySystolePlasma SubstitutesAnalysis of VarianceBody WeightHydroxyethyl Starch DerivativesNitric OxideBlood Gas AnalysisNorepinephrineHemodilutionDiastoleBlood VesselsAngiotensin IISheepHydrodynamicsDisease Models, Animal