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Tubercle

Definition

A tubercle is a small rounded point of a bone. It also refers to a nodule attached to bone, mucous membrane (moist layer lining parts of the body), or skin.

The term tubercle is less commonly used to refer to skin irritation resulting from a tuberculosis (TB) infection.

References

Taber's Medical Dictionary Online website. www.tabers.com/tabersonline. Accessed April 15, 2021.

Last reviewed January 16, 2021 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..

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