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The ground substance of the extracellular matrix.
An aggrecan is a variety of proteoglycan, containing chondroitin sulphate - a major component of cartilage.
Cartilage
yes
The matrix of cartilage is a firm gel that contains polysaccharide derivatives called chondroitin sulfates.
Collagen Fibers
matrix
Hyaline cartilage
It is composed primarily of hyaluronic acid.
Cartilage, probably.
yes
Chondrocytes or cartilage cells are the only cell in the cartilage matrix.