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Composition of CartilageFibrous componenteither solely collagenous or a combination of elastic and collagenous, depending on the cartilage typeCellular componentchondrocyteschondroblastschondrogenic cellsMacromoleculesProteoglycansmain glycosaminoglycans are chondroitin-4-sulfate and chondroitin-6-sulfateCollagenHyaluronic acid

Characteristics of CartilageExtracellular Matrix (ECM)collagen, high concentrations of GAGs and proteoglycansPerichondriumdense irregular collagenous connective tissue membraneouter fibrous layer composed mostly of fibroblasts and collagen fibersinner chondrogenic layercomposed of chondroblasts and chondrogenic cells