Sternum

Definition

The sternum, or breastbone, is a long, flat bone located in the center of the chest. It connects to the rib bones via cartilage, forming the front part of the rib cage which protects vital organs such as the heart and lungs.

Related terms

Rib Cage:

A structure formed by the thoracic vertebrae at the back, ribs on the sides, and sternum at the front, providing protection for thoracic organs.

Cartilage:

A flexible yet strong connective tissue found at joints between bones and connecting ribs to the sternum that allows for movement and support.

Thoracic Vertebrae:

The twelve vertebrae located in the mid-back portion of the spine to which ribs are attached posteriorly and help form part of the rib cage structure