title: Ochronotic arthropathy: an electron microscopical study with a view on pathogenesis.
mesh_terms: D002358:Cartilage, Articular / Q000473:pathology; D002467:Cell Nucleus; D003593:Cytoplasm; D006713:Homogentisic Acid / Q000032:analysis; D006801:Humans; D007592:Joint Diseases / Q000209:etiology* / Q000473:pathology; D007719:Knee Joint; D008854:Microscopy, Electron; D009794:Ochronosis / Q000209:etiology* / Q000473:pathology; D010860:Pigments, Biological
chemical_list: D010860:Pigments, Biological; D006713:Homogentisic Acid