<unk>  is the basis for articular cartilage and hyaline cartilage.
It makes up 50% of all protein in cartilage and 85-90% of<unk>  of articular cartilage.
Type-II collagen
Type-III collagen
Collectin
Internal elastic lamina
Fibrous protein
Sarcoglycan
Dermatan sulfate
Heparan sulfate