Cartilage's a type of dense connective tissue. It's composed of specialized cells called chondrocytes that produce a large amount of extracellular matrix composed of collagen fibers, abundant ground substance rich in proteoglycan, and elastin fibers. Cartilage's classified in three types, elastic cartilage, hyaline cartilage and fibrocartilage, which differ in the relative amounts of these three main components. Cartilage's found in many areas in the body, including the articular surface of the… (More on Cartilaginous)