Skeletal System

Axial Skeleton

What are the parts of the sternum?

The sternum is a flat, narrow bone located in the center of the anterior chest wall. It consists of three parts: manubrium, the body, and the xiphoid process. The manubrium is the upper part and it articulates with the clavicle and first two ribs. The body of the sternum is the largest part of the sternum. It articulates with the second through tenth pairs of ribs. The xiphoid process is the smallest, thinnest, and lowest part of the sternum. Although it does not articulate with any ribs or costal cartilages, several ligaments and muscles are attached to it.


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