in the developing chick embryo sternum , type x collagen is synthesized by chondrocytes from the cephalic region ( presumptive mineralization zone ) but not by chondrocytes from the caudal region ( permanent cartilaginous zone ) ( gibson et al. , 1984 , j. cell biol . 99 , 208-216 ) .
C0225369
chondrocytes
C0007634
cell