Pulsatile FlowBlood Flow VelocityModels, CardiovascularReplica TechniquesRegional Blood FlowRheologyHemorheologyStress, MechanicalModels, AnatomicShear StrengthEquipment DesignPericytesFlow CytometryUltrasonography, Doppler, ColorVeinsPhantoms, ImagingHeart-Assist DevicesPulmonary CirculationEchocardiography, Doppler, ColorBlood PressureIschemic Attack, TransientCoronary CirculationHemodynamicsPressureTime FactorsBlood Vessel ProsthesisBlood VesselsPerfusionCarotid ArteriesFemoral ArteryHeart Valve ProsthesisIntracranial AneurysmEndothelium, VascularArteriesMaterials TestingComputer SimulationDogsCells, CulturedProsthesis DesignNitric Oxide Synthase Type IIIAortaCoronary VesselsSwineReproducibility of ResultsBiomechanical PhenomenaModels, BiologicalGene FlowCattleCalciumCerebrovascular Circulation