Cartilage is formed by chondroblasts. These are cellular progeny of mesenchyme cells. As a result, chondroblasts are typically found along the edges of cartilage plates just under the perichondreum where new appositional growth occurs. Cartilage can also expand via interstitial growth. In epiphyseal plates, chondrocytes enlarge and divide during maturation to form single or multicellular lacunae arranged in linear stacks. Take a look now at