💀anatomy and physiology i review

Xiphoid process

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

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.