Regional Blood FlowBlood Flow VelocityFlow CytometryPulsatile FlowGene FlowCerebrovascular CirculationRheologyCoronary CirculationEfficiencyOptic FlowEfficiency, OrganizationalFlow Injection AnalysisLaser-Doppler FlowmetryPeak Expiratory Flow RateTime FactorsMicrospheresBlood PressureVascular ResistanceBlood CirculationMolecular Sequence DataModels, BiologicalOxygen ConsumptionHydrodynamicsModels, CardiovascularReproducibility of ResultsKineticsHemorheologyOxygenMicrocirculationBase SequenceCarbon DioxideEquipment DesignPulmonary CirculationUltrasonography, Doppler, ColorXenon RadioisotopesSensitivity and SpecificityStress, MechanicalUltrasonography, DopplerSwineGenetic VectorsCells, CulturedCollateral CirculationPerfusionLiver CirculationCardiac OutputComputer SimulationCattleCell LineParticle SizePressureRenal CirculationVasodilationBrainCoronary VesselsWaterHeart RateArteriesGene Transfer TechniquesMutationAlgorithmsDNASheepPlasmidsMicrofluidicsTomography, Emission-ComputedBlood VolumeFluorescent DyesAir MovementsEnergy MetabolismAnimal FeedDose-Response Relationship, DrugWater MovementsMicrofluidic Analytical TechniquesVasodilator AgentsRNA, MessengerTransfectionNitrogenSplanchnic CirculationRabbitsAnalysis of VarianceEndothelium, VascularEscherichia coliModels, TheoreticalAmino Acid SequenceRats, Sprague-DawleyHydrogen-Ion ConcentrationReference ValuesTemperatureShear StrengthPlethysmographyHeartCerebral ArteriesNitric OxideMuscle, SkeletalOxygen RadioisotopesEchocardiography, DopplerMaximal Expiratory Flow RateKidneyPregnancyUltrasonography, Doppler, Transcranial