Joint DiseasesJointsKnee JointOsteoarthritisSynovial FluidArthritis, RheumatoidArthritisFinger JointArthritis, PsoriaticCartilage, ArticularTarsal JointsAnkle JointHip JointSynovial MembraneSynovitisWrist JointArthritis, InfectiousArthritis, ExperimentalAntirheumatic AgentsFoot JointsTemporomandibular Joint DisordersInjections, Intra-ArticularChondrocytesHip Dysplasia, CanineJoint CapsuleOsteoarthritis, KneeCartilageSpondylarthropathiesSacroiliac JointRheumatoid FactorRheumatic DiseasesSpondylitis, AnkylosingArthralgiaTemporomandibular JointAggrecansSeverity of Illness IndexTenosynovitisHemarthrosisArthritis, ReactiveCartilage DiseasesOsteophyteJoint InstabilityCollagen Type IIMetatarsophalangeal JointToe JointStifleProteoglycansNail DiseasesShoulder JointTreatment OutcomePaleopathologyArthritis, JuvenileJoint ProsthesisBiomechanical PhenomenaHorse DiseasesRange of Motion, ArticularMetacarpophalangeal JointBone DiseasesTemporomandibular Joint DiscHindlimbAcromioclavicular JointBlood SedimentationExtracellular Matrix ProteinsMatrilin ProteinsRheumatologyCartilage Oligomeric Matrix ProteinMenisci, TibialMatrix Metalloproteinase 13TibiaBone and BonesFemurDisease ProgressionSternoclavicular JointKnee InjuriesTumor Necrosis Factor-alphaBiological MarkersDisease Models, AnimalInterleukin-1ArthroscopyPainCarpometacarpal JointsProcollagen N-EndopeptidaseCollagenHorsesPsoriasisImmunoglobulin GFollow-Up StudiesHyaluronic AcidEnzyme-Linked Immunosorbent AssayRats, Inbred LewMice, Inbred DBAChondroitin SulfatesCells, CulturedTime FactorsGlycosaminoglycansAutoantibodiesAntibodies, MonoclonalMagnetic Resonance ImagingReproducibility of ResultsAnti-Inflammatory Agents