Excess dead skin cells that are produced because of abnormal skin conditions.
Skin scales can be very thin or fine (as with pityriasis rosea) or thick (as with psoriasis).
By Heather Brannon, MD, About.com Guide
Updated: December 27, 2007
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
Excess dead skin cells that are produced because of abnormal skin conditions.
Skin scales can be very thin or fine (as with pityriasis rosea) or thick (as with psoriasis).
Help, I Have a Rash!Glossary of Skin TermsThe Dermatology Gallery
Learn how to save money on medications with these recommendations. More >
Keep yourself, and your family, happy and healthy this season. More >
©2010 About.com, a part of The New York Times Company.
All rights reserved.