Xiphoid process

Definition

The xiphoid process is a small, cartilaginous projection at the lower end of the sternum, which becomes ossified (turned into bone) in adults. It serves as an attachment point for various muscles and ligaments involved in the functioning of the diaphragm, abdominal wall, and thoracic cage.

Related terms

Sternum: The long flat bone located in the center of the chest, which serves as a central point for rib attachment and shields vital organs within the thorax.

Diaphragm: A large, dome-shaped muscle located below the lungs that contracts rhythmically and continually, allowing air to flow into the lungs during inhalation.

Thoracic Cage: The bony framework of the chest, consisting of the sternum, ribs, and thoracic vertebrae, protecting vital organs such as the heart and lungs while supporting respiration