The breast bone; further divided into three segments manubrium: upperportion, proximal end; sternum: main portion; xiphoid: the dagger-like tip of the sternum, distal end
Your sternum is the long flat bone which goes from your throat to the bottom of your ribs and to which your ribs are attached. = breastbone. sternums sterna a breastbone
A plate of cartilage, or a series of bony or cartilaginous plates or segments, in the median line of the pectoral skeleton of most vertebrates above fishes; the breastbone