Breastbone

Skeletal view of breastbone in the chest

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.

Current as of: July 1, 2021

Author: Healthwise Staff
Medical Review:
Adam Husney MD - Family Medicine
Kathleen Romito MD - Family Medicine

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