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A parasitic louse (Pediculus humanus subsp. capitis) that infests the human scalp and causes itching.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
body lousePediculus humanus corporis.
clothes louseSee: Pediculus humanus corporis
Phthirus inguinalis and Phthirus pubis; the louse that infests the pubic region and other hairy areas of the body. See: pediculosis
head lousePediculus humanus capitis. See: illustration
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