gristle - tough elastic tissue; mostly converted to bone in adultscollagen - a fibrous scleroprotein in bone and cartilage and tendon and other connective tissue; yields gelatin on boiling meniscus - a disk of cartilage that serves as a cushion between the ends of bones that meet at a point fibrocartilage - cartilage that is largely composed of fibers like those in ordinary connective tissue hyaline cartilage - translucent cartilage that is common in joints and the respiratory passages; forms most of the fetal skeleton |