Alcian BluePeriodic Acid-Schiff ReactionGlycosaminoglycansStaining and LabelingColoring AgentsHistocytochemistryTolonium ChlorideSialomucinsMetaplasiaMucinsMucusChondrogenesisPyronineUronic AcidsCartilageGastric MucinsHyaluronic AcidChondrocytesGoblet CellsMast CellsMicroscopy, ElectronSublingual GlandChondroitin SulfatesExocrine GlandsGlycoconjugatesCollagen Type IIProteoglycansDog DiseasesHistological TechniquesHyaluronoglucosaminidaseAggrecansImmunohistochemistryConnective TissueCartilage, ArticularTrypan Blue