Ribs

Definition

Ribs are a set of long curved bones which form the rib cage, surrounding the chest to protect vital organs such as the heart and lungs. In humans, there are typically 12 pairs of ribs that attach to the vertebral column at the back and terminate at or near the sternum in front.

Related terms

Sternum: The sternum or breastbone is a long flat bone located in the center of the chest, to which most of the ribs are connected anteriorly providing structural support.

Thoracic vertebrae: These are part of the vertebral column, specifically located in the mid-back behind the thoracic cavity, where each rib attaches to provide structural stability.

Intercostal muscles: These muscles are found between the ribs and help facilitate breathing by expanding and contracting the ribcage