head louse


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to head louse: body louse, head lice, crab louse

head louse

n.
A parasitic louse (Pediculus humanus subsp. capitis) that infests the human scalp and causes itching.
Enlarge picture
LOUSE: SOURCE: Centers for Disease Control and Prevention; James Gathany

louse

(lows) Pediculus.

body louse

Pediculus humanus corporis.

clothes louse

See: Pediculus humanus corporis

crab louse

Phthirus inguinalis and Phthirus pubis; the louse that infests the pubic region and other hairy areas of the body. See: pediculosis

head louse

Pediculus humanus capitis. See: illustration
References in periodicals archive ?
Prevalence of head louse infestations and factors affecting the rate of infestation among primary schoolchildren in Paveh City, Kermanshah Province, Iran in the years 2009 to 2010.
Often there are no symptoms, although an itchy scalp can result from sensitivity to head louse saliva.
Humans are the sole hosts of the pubic louse (Pthirus pubis), the body louse (Pediculus humanus humanus), and the head louse (Pediculus humanus capitis) (1).
"They can teach detection combing to individuals, to families and to groups of parents, children and staff and, if head louse infection is diagnosed, they can advise on treatment."
The report, published in the journal Archives of Disease in Childhood, said that malathion, which is used in products such as Derbac-M and Prioderm, should now be used as the 'first line treatment for head louse infection in Wales'.
The common head louse, Pediculus humanus capitis, is the most prevalent parasitic infestation of humans in the United States and Europe.