A magnified, out-of-focus, picture of an adult head louse.
This louse is likely a male, since it is a little skinnier than typical female head lice.
By Vincent Iannelli, M.D., About.com Guide
Updated December 21, 2005
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
This louse is likely a male, since it is a little skinnier than typical female head lice.
©2009 About.com, a part of The New York Times Company.
All rights reserved.