Thoracic cage

Definition

The thoracic cage, also known as the rib cage, is a bony structure formed by the ribs, sternum, and part of the spine (thoracic vertebrae), providing protection for vital organs such as the heart and lungs. It also supports the shoulder girdle and upper limbs, and plays a key role in respiration.

Related terms

Ribs: Curved bones that form most of the thoracic cage, providing structural support and protection for chest organs.

Sternum: A flat bone located at the front of the thoracic cage, connecting to the ribs via costal cartilages, contributing to the rigidity and integrity of the rib cage.

Thoracic Vertebrae: The twelve vertebrae located in the mid-back portion of the spine, to which ribs are attached, forming part of the thoracic cage structure