Sternum (Breastbone) – Anatomy, Location, & Labeled Diagram

What is the SternumSternum, commonly called breastbone, is a long, flat bone located in the midline of the chest. The word ‘sternum’ has been derived from the ancient Greek word ‘sternon’, meaning ‘chest’. The bone covers and protects the thoracic organs, such as the heart and lungs, from any external shock.Where is the Sternum Bone LocatedThe bone is located in the center of the chest, making up the anterior thoracic wall. As it lies superficially, it is easily palpable below the skin of the chest in the midline.Quick FactsTypeFlat boneLength and WidthApproximately 6 inches, and 1 inchHow many are there in the human body1Articulates withClavicle, and the first seven pairs of ribsFunctionsProtects the delicate organs of the thorax region, such as the heart, lungs, esophagus, and several important blood vessels, from mechanical damage.Helps in the expansion and contraction of the thoracic cavity during respiration.Parts and AnatomyAs stated, the sternum is a long, flat bone divided into...