Protuberance
A protuberance is a body part that bulges (protrudes) outward from a surface.
For example, the ankle is a protuberance of the leg. The ears protrude from the head.

The ear is a protuberance of the head. It bulges away from the body.
References
Taber's Medical Dictionary Online website.
Version Info
Last reviewed on: 1/16/2021
Reviewed by: Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
