Pulsatile FlowBlood Flow VelocityModels, CardiovascularReplica TechniquesRegional Blood FlowRheologyHemorheologyStress, MechanicalModels, AnatomicShear StrengthPericytesEquipment DesignUltrasonography, Doppler, ColorFlow CytometryVeinsPhantoms, ImagingHeart-Assist DevicesPulmonary CirculationEchocardiography, Doppler, ColorCoronary CirculationBlood PressureHemodynamicsPressureBlood Vessel ProsthesisBlood VesselsFemoral ArteryCarotid ArteriesHeart Valve ProsthesisPerfusionIntracranial AneurysmArteriesMaterials TestingEndothelium, VascularComputer SimulationProsthesis DesignNitric Oxide Synthase Type IIITime FactorsCoronary VesselsAortaBiomechanical PhenomenaReproducibility of ResultsSwineDogsGene FlowModels, BiologicalCattleCells, Cultured