The breastbone, also called the sternum, is a long, flat bone in the
center of the chest. It is connected to the ribs with cartilage. Together with
the ribs, it helps to protect important organs in the chest, such as the heart
and lungs, from damage.
ByHealthwise Staff Primary Medical ReviewerAdam Husney, MD - Family Medicine Specialist Medical ReviewerHoward Schaff, MD - Diagnostic Radiology