hyalin: closely packed fibers. firm but flexible. most abundant in the body. found at the costal cartilages of the ribs, cartilage rings of the trachea. Provides body movement with minimum of friction and resistance.
elastic: Fibers not closely packed, external ear, epiglottis, auditory tubes
fibrous: thick bundles found in areas that must withstand heavy pressure. Intervetebral discs, knee joint, hip joint