Regional Blood FlowBlood Flow VelocityFlow CytometryK562 CellsPulsatile FlowGene FlowH(+)-K(+)-Exchanging ATPaseVitamin KCerebrovascular CirculationVitamin K 1Coronary CirculationRheologyOptic FlowLaser-Doppler FlowmetryFlow Injection AnalysisPeak Expiratory Flow RateTime FactorsBlood PressurePotassium ChannelsVascular ResistanceMicrospheresBlood CirculationModels, CardiovascularSodium-Potassium-Exchanging ATPaseMicrocirculationHemorheologyModels, BiologicalHydrodynamicsCells, CulturedPulmonary CirculationOxygenSodiumUltrasonography, Doppler, ColorXenon RadioisotopesPerfusionUltrasonography, DopplerStress, MechanicalDose-Response Relationship, DrugCollateral CirculationLiver CirculationOxygen ConsumptionCoronary VesselsRats, Sprague-DawleyCardiac OutputVasodilator AgentsRenal CirculationArteriesVasodilationRabbitsReproducibility of ResultsPressureEnzyme InhibitorsHydrogen-Ion ConcentrationPotassium Channel BlockersCell LineHeart RateCarbon DioxideCalciumEndothelium, VascularPhosphatidylinositol 3-KinasesBlood VolumeSplanchnic CirculationNitric OxideTomography, Emission-ComputedOuabainSensitivity and SpecificityHeartCerebral ArteriesWater MovementsAdenosine TriphosphateRats, WistarEquipment DesignSheepAdenosineMicrofluidicsBrainOxygen RadioisotopesShear StrengthPlethysmographyMaximal Expiratory Flow RateCapillariesEchocardiography, DopplerUltrasonography, Doppler, TranscranialDisease Models, AnimalMyocardiumCell MembraneRubidiumComputer SimulationXenonReference ValuesMicrofluidic Analytical TechniquesRecombinant ProteinsEscherichia coliCattleBase SequenceSwineLysineAnalysis of VarianceIschemiaVasoconstriction