umls-concept:C0038293 | skos:definition | NCI: The long, flat bone connecting with the cartilages of the first seven ribs and the clavicle. (NCI),NCI: The long flat bone that forms the center front of the chest wall. The sternum is attached to the collarbone and the first seven ribs.,NCI: The long, flat bone connecting with the cartilages of the first seven ribs and the clavicle. | lld:umls |