② Cartilage matrix ground substance proteoglycan same to loose ct 5● here are more chondroitin sulfate distributed at the periphery of cartilage lacuna---called as cartilage capsule(basophilic ● chondronectin e water fiber: type and number of fiber depends on the type of cartilage② Cartilage matrix ---ground substance: proteoglycan: --same to loose CT --there are more chondroitin sulfate distributed at the periphery of cartilage lacuna---called as cartilage capsule(basophilic) chondronectin water ---fiber: type and number of fiber depends on the type of cartilage