louse

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louse

 [lows] (pl. lice)
any of various grayish, wingless insects parasitic on birds and mammals, including humans; they are usually one sixteenth to one sixth of an inch (0.15 to 0.4 cm) long. Lice are classified into two orders, Anoplura (the sucking lice) and Mallophaga (the bird lice or biting lice). The causal organisms of typhus, relapsing fever, trench fever, and other diseases are transmitted by the bites of lice. The most important species parasitic on humans are Pediculus humanus capitis, the head louse, which attaches itself to the hairs of the head; P. humanus corporis, the body or clothes louse; and Phthirus pubis, the crab louse, which lives in the pubic hair, eyelashes, and eyebrows. Endemics of head lice infestations occur most frequently in school children. Pubic lice are often sexually transmitted. Louse infestation is called pediculosis.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

louse

, pl.

lice

(lows, līs),
Common name for members of the ectoparasitic insect orders Anoplura (sucking lice) and Mallophaga (biting lice). Important species are Felicola subrostrata (cat louse), Goniocotes gallinae (fluff louse), Goniodes dissimilis (brown chicken louse), Haemodipsus ventricosus (rabbit louse), Lipeurus caponis (wing louse), Menacanthus stramineus (chicken body louse), Pthirus pubis (crab or pubic louse), and Polyplax serratus (mouse louse).
[A.S. lūs]
Farlex Partner Medical Dictionary © Farlex 2012

louse

(lous)
n.
pl. lice (līs) Any of numerous small, flat-bodied, wingless biting or sucking insects of the order Phthiraptera, which live as external parasites on birds and mammals, including humans. The lice are sometimes classified together with the psocids in the order Psocodea.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
A flat wingless parasitic insect, that may be a carrier of pathogens; its plural is lice
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

louse

 A flat wingless parasitic insect
Of Lice & Men
Biting lice, Order Mallophaga, which rarely affect humans
Sucking lice, Order Anoplua, family Pediculidae, which are global in distribution, and serve as either
• Disease vectors, eg Borrelia recurrentisBhermisi turcatae, B parkeri or
• Themselves cause disease—Pediculus humanis capitis, head lice, Pediculus humanis corporis, body lice, Phthirus pubis, crabs, pubic lice  
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

louse

, pl. lice (lows, līs)
Common name for members of the ectoparasitic insect orders Anoplura (sucking lice) and Mallophaga (biting lice).
[A.S. lūs]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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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
Medical Dictionary, © 2009 Farlex and Partners

louse

See LICE.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

louse

any wingless insect of the order Mallophaga (bird lice or biting lice) or the order Anopleura (sucking lice).
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005