Sternum


Sternum


          The sternum or breast bone is a flat bone situated just middle of the chest and just below the skin on the front side. It looks like a dagger in adult people. There are two surfaces of it anterior and posterior in adults. Cartilage of ribs joints with this bone. Its upper portion gives support to the clavicle. There are three parts manubrium, body and xiphoid process in this bone.