Intervertebral Disc DegenerationIntervertebral DiscIntervertebral Disc DisplacementSpinal DiseasesLumbar VertebraeRetinal DegenerationMacular DegenerationNerve DegenerationSpinal OsteophytosisFibrocartilageWallerian DegenerationCollagen Type IXMagnetic Resonance ImagingSpondylolisthesisLow Back PainSpinal FusionDiskectomyCervical VertebraeAggrecansSacrumWet Macular DegenerationFrontotemporal Lobar DegenerationLordosisDisease Models, AnimalLumbosacral RegionPhotoreceptor Cells, VertebrateGrowth Differentiation Factor 5Spinal StenosisWeight-BearingRetinaBack PainAgingElectroretinographyThoracic VertebraeSpineExtracellular Matrix ProteinsScoliosisSpondylosisProteoglycansBiomechanical PhenomenaRadiographyRetrograde DegenerationZygapophyseal JointBack InjuriesCollagen Type IIOsteoarthritisChoroidal NeovascularizationSpondylolysisSclerosisRetinitis PigmentosaCadaverRange of Motion, ArticularRetinal Pigment EpitheliumSpinocerebellar DegenerationsRetinal DrusenMatrix Metalloproteinase 3Disease ProgressionImmunohistochemistryCompressive StrengthLaminectomyTemporomandibular Joint DiscAxonsPhotoreceptor CellsFluorescein AngiographyNotochordProstheses and ImplantsRhodopsinEye ProteinsExtracellular MatrixImaginal DiscsParaneoplastic Cerebellar DegenerationPigment Epithelium of EyeChoroidBone ScrewsSubacute Combined DegenerationVisual AcuityCollagen Type XSpinal FracturesTotal Disc ReplacementArthrographyRegenerationGlycosaminoglycansCells, CulturedGenetic Predisposition to DiseaseFundus OculiGeographic AtrophyChondrocytesStress, MechanicalMice, Inbred C57BLNeurodegenerative DiseasesFinite Element AnalysisMutationObserver VariationInternal FixatorsJoint InstabilityReverse Transcriptase Polymerase Chain ReactionCartilageRetinal Rod Photoreceptor CellsMatrix MetalloproteinasesNeurons