Definition: A spongy, raised, flat lesion resulting from water build-up in the dermis. Wheals usually only last a few hours.
Pronunciation: weel (noun)
Also Known As: angioedema, dermagraphism, hives, urticaria, whelts
Wheal
By Heather Brannon, MD, About.com
Updated: January 04, 2004
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
Suggested Reading
Explore Dermatology
Must Reads
About.com Special Features
Do I Have Allergies?
Are your symptoms merely irritating, or could they be a sign of allergies? More >
Preventing Headaches
The best way to treat a headache is to prevent it. Learn how. More >
Also from About.com:
©2009 About.com, a part of The New York Times Company.
All rights reserved.