Pulsatile FlowBlood Flow VelocityModels, CardiovascularReplica TechniquesRegional Blood FlowRheologyHemorheologyModels, AnatomicStress, MechanicalComputer GraphicsEquipment DesignShear StrengthUltrasonography, Doppler, ColorPhantoms, ImagingFlow CytometryPericytesVeinsSoftwareUser-Computer InterfaceEchocardiography, Doppler, ColorPulmonary CirculationHeart-Assist DevicesCoronary CirculationHemodynamicsBlood PressurePressureBlood VesselsComputer SimulationBlood Vessel ProsthesisReproducibility of ResultsIntracranial AneurysmImaging, Three-DimensionalFemoral ArteryCarotid ArteriesPerfusionHeart Valve ProsthesisArteriesMaterials TestingEndothelium, VascularTime FactorsCoronary VesselsSwineProsthesis DesignModels, BiologicalBiomechanical PhenomenaDogsInternetAortaNitric Oxide Synthase Type IIIAlgorithmsGene FlowCells, CulturedImage Processing, Computer-AssistedCattleDatabase Management SystemsMicroscopy, FluorescenceData DisplayComputational BiologyInformation Storage and RetrievalContrast MediaDatabases, GeneticImage EnhancementFluorescent DyesProgramming LanguagesCerebrovascular CirculationGreen Fluorescent ProteinsLuminescent ProteinsMicroscopy, ConfocalStaining and LabelingSensitivity and SpecificityMagnetic Resonance ImagingImage Interpretation, Computer-Assisted