PhenazinesAlcian BlueCartilage, ArticularStaining and LabelingCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneColoring AgentsPotassium CyanideCollagen Type IICartilage DiseasesChondrocytesProteoglycansAggrecansAntimetabolitesMast CellsPort-Wine StainOsteoarthritisAzure StainsIonophoresCartilageKnee JointBlood StainsSpectrophotometryCells, CulturedEosine Yellowish-(YS)HematoxylinMethyl GreenTooth DiscolorationHistocytochemistryPeriodic Acid-Schiff ReactionImmunohistochemistrySilver StainingMicroscopy, ElectronLasers, Dye