Costal angle
Angulus costae
Definition
The costal angle is the area of pronounced curvature in the vertebral portion of the rib bone, connecting the dorsal part to the body. It is located distally near the costal tubercle.
It marks the point where the rib changes direction, contributing to the convexity of the rib cage.
References
Evans HE, de Lahunta A. Miller’s Anatomy of the Dog. 5th ed. St. Louis: Elsevier; 2013. Chapter 4, The skeleton; p. 80–157.
Barone R. Anatomie comparée des mammifères domestiques, Tome 1, Ostéologie, 5th edition, Vigot, Paris, 2017.
