Microscopy, Phase-ContrastTomography, X-RaySynchrotronsInterferometryX-RaysMagnetic Resonance Imaging, CineImaging, Three-DimensionalMineral FibersPhantoms, ImagingMagnetic Resonance AngiographyImage Interpretation, Computer-AssistedRadiographyImage Processing, Computer-AssistedTriacetinGamma RaysLensesMicroscopy, InterferenceCardiac-Gated Imaging TechniquesBlood Flow VelocityReproducibility of ResultsRadiographic Image EnhancementMicroscopyArtifactsContrast MediaPolystyrenesImage EnhancementMagnetic Resonance ImagingEquipment DesignAbsorptionX-Ray MicrotomographyAsbestos, SerpentineAlgorithmsAir Pollutants, OccupationalSensitivity and SpecificityAsbestosMicroscopy, ElectronTomography, X-Ray ComputedElasmobranchiiEquipment Failure AnalysisSkates (Fish)Microscopy, Electron, ScanningRheologyMicroscopy, Electron, TransmissionRadiographic Image Interpretation, Computer-AssistedScattering, RadiationModels, TheoreticalPulmonary ArteryCells, CulturedX-Ray DiffractionTime FactorsRegional Blood FlowMicroscopy, FluorescenceStress, MechanicalStaining and LabelingAnimal FinsCell Culture TechniquesCathode Ray TubeCell AdhesionEpithelial CellsCosmic RadiationPredictive Value of TestsActinsCell MovementRabbitsCell SurvivalModels, BiologicalUltraviolet RaysCell Line, TumorCell DivisionApoptosisPseudotsugaSensillaBermudaSolar ActivityPinus ponderosaTailInfrared RaysLinear Energy TransferCobalt RadioisotopesRadiation DosageDose-Response Relationship, RadiationFoot Deformities, Congenital