Pulsatile FlowBlood Flow VelocityModels, CardiovascularBlood VesselsRegional Blood FlowReplica TechniquesRheologyHemorheologyStress, MechanicalModels, AnatomicPericytesShear StrengthCoronary VesselsVeinsUltrasonography, Doppler, ColorEquipment DesignFlow CytometryLymphatic VesselsPulmonary CirculationPhantoms, ImagingEndothelium, VascularHeart-Assist DevicesRetinal VesselsBlood Vessel ProsthesisArteriesCoronary CirculationBlood PressureEchocardiography, Doppler, ColorHemodynamicsFemoral ArteryPressureCarotid ArteriesPerfusionIntracranial AneurysmHeart Valve ProsthesisAortaTime FactorsMaterials TestingNitric Oxide Synthase Type IIIProsthesis DesignSwineComputer SimulationDogsReproducibility of ResultsBiomechanical PhenomenaGene FlowCells, CulturedModels, BiologicalCattleCerebrovascular CirculationMicrocirculationNeovascularization, PhysiologicVascular Resistance