Definition: The characteristic sore caused by a syphilis infection. Usually round, firm, and painless.
Also Known As: genital ulcer
Chancre
By Elizabeth Boskey, Ph.D., About.com
Updated: August 6, 2007
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
Explore Sexually Transmitted Diseases (STDs)
Must Reads
More from About.com
Lower Cholesterol
How to lower yours and eat healthy.Dog Care
Get tips on training and caring for dogs of all ages.48 Hours in Vegas
Plan a hot weekend in Sin City.Just for Grads
Celebrate the graduate in your life.
More from About, Inc.:
©2008 About.com, a part of The New York Times Company.
All rights reserved.