“…Anatomopathology and embryological formation of the sternum and costal arches – Many authors have used the term “suture” in defining the radiolucent lines in the growing sternum 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , but it is important to note that sutures exist only in the skull and that the formation and growth of the anterior chest wall are endochondral bone 14 , 15 , 16 . Cartilaginous growth plates are present between the growing segments of the sternum and the costochondral junctions 17 , 18 , 19 , 20 , 21 , 22 .…”