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
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