ArteriolesParticle SizeMicroscopy, ElectronTime FactorsVasodilationAortic Aneurysm, AbdominalTomography, X-Ray ComputedDilatation, PathologicAorta, AbdominalBlood Flow VelocityPupilRetinal ArteryMicroscopy, Electron, ScanningEquipment DesignOvarian FollicleVenulesCoronary VesselsMicrocirculationTreatment OutcomePia MaterCoronary AngiographyStentsReproducibility of ResultsRegional Blood FlowFollow-Up StudiesProspective StudiesVasoconstrictionArteriesBlood PressureImaging, Three-DimensionalRetrospective StudiesMicrospheresBlood Vessel ProsthesisStress, MechanicalRetinal VeinUltrasonographyImage Processing, Computer-AssistedPressureSensitivity and SpecificityProsthesis DesignParticulate MatterReference ValuesAortographyEchocardiographyRetinal VesselsMaterials TestingElasticityBlood Vessel Prosthesis ImplantationModels, CardiovascularObserver VariationAnatomy, Cross-SectionalMicroscopy, Electron, TransmissionAngiographySwineUltrasonography, PrenatalVasodilator AgentsUltrasonography, InterventionalNanoparticlesBrachial ArteryHemodynamicsAerosolsAir PollutantsConstriction, PathologicSurface PropertiesPorosityVascular ResistancePregnancyEndothelium, VascularVeinsAnalysis of VarianceCarotid Artery, CommonOrgan SizeCapillariesRabbitsPhantoms, ImagingSpinal CanalVasomotor SystemCerebral ArteriesFemoral ArteryVascular PatencyGestational AgeRadial ArteryPhotographyDogsBiometryBiomechanical PhenomenaEquipment Failure AnalysisModels, AnatomicRisk FactorsUltrasonography, Doppler, DuplexPolymersCarotid ArteriesRats, Sprague-DawleyNitroglycerinCatheterizationIliac ArteryMuscle TonusMagnetic Resonance ImagingCattleAortic Rupture