Alcian BlueCollagenPeriodic Acid-Schiff ReactionGlycosaminoglycansCollagen Type IStaining and LabelingColoring AgentsHistocytochemistryTolonium ChlorideSialomucinsCollagen Type IIMetaplasiaMucinsCartilageChondrogenesisFibrillar CollagensMucusPyronineChondrocytesUronic AcidsCollagen Type IVCollagen Type IIIHyaluronic AcidMicroscopy, ElectronGastric MucinsProteoglycansGoblet CellsReceptors, CollagenMast CellsConnective TissueExtracellular MatrixChondroitin SulfatesCartilage, ArticularImmunohistochemistrySublingual GlandAggrecansExocrine GlandsExtracellular Matrix ProteinsGlycoconjugatesDog DiseasesHyaluronoglucosaminidaseCells, CulturedHistological TechniquesCollagen Type VISkinCell DifferentiationCollagen Type VCalcification, PhysiologicTrypan Blue