Hyaline cartilage consists of a matrix that includes
protein and sugar compounds (proteoglycans and glycosaminoglycans such as chondroitin sulfate, keratin
sulfate, and hyaluronic acid) synthesized by chondrocytes (cartilage forming cells); it’s composed of the
collagen fibers that give the cartilage structure.
The glycosaminoglycan matrix of cartilage regenerates every one to three months, while the collagen structural elements are replaced even more slowly