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Head lice are spread by direct contact with the hair of someone who is infected. [4] The cause of head lice infestations in children is not related to cleanliness. [5] Other animals, such as cats and dogs, do not play a role in transmission. [4] Head lice feed only on human blood and are only able to survive on human head hair.
Trichodectes canis is a louse of the suborder Mallophaga, or chewing lice. T. canis is a small, flat-bodied louse. Males are typically smaller than females, with body lengths ranging from 1.60 to 1.68 mm in males and 1.75 to 1.82 mm in females.
Crabs, pubic lice, phthiriasis, phthiriasis pubis: Pubic lice in genital area: Specialty: Infectious disease: Symptoms: Itch, scratch marks, grey-blue marks, visible lice and nits: Complications: Secondary bacterial infection: Causes: pubic louse: Risk factors: Sexual activity, crowded situations: Diagnostic method: Direct vision of lice with ...
Head lice feed on blood several times each day and tend to reside close to your scalp, which explains the itchiness and why it’s sometimes so difficult to tell that you have head lice. Unlike ...
Lice are vectors of diseases such as typhus. Chewing lice live among the hairs or feathers of their host and feed on skin and debris, whereas sucking lice pierce the host's skin and feed on blood and other secretions. They usually spend their whole life on a single host, cementing their eggs, called nits, to hairs or feathers.
At least three species or subspecies of Anoplura are parasites of humans; the human condition of being infested with sucking lice is called pediculosis. Pediculus humanus is divided into two subspecies, Pediculus humanus humanus , or the human body louse , sometimes nicknamed "the seam squirrel" for its habit of laying of eggs in the seams of ...
Accordingly, the infestation with head lice is named pediculosis capitis, while this with body lice, pediculosis corporis. [ 1 ] [ 2 ] Although pediculosis in humans may properly refer to lice infestation of any part of the body, the term is sometimes used loosely to refer to pediculosis capitis , the infestation of the human head with the ...
The following are lists of animal diseases: This list is incomplete; you can help by adding missing items. (February 2021) List of aquarium diseases;