Credit: PETER MATULAVICH/SCIENCE PHOTO LIBRARY

Caption: Head lice (Pediculus humanus capitis) clambering through human hair. Head lice are wingless parasitic insects, up to 3mm long, that spend their entire lives on the scalps of their human hosts. They feed exclusively on blood, which they suck from the skin using their sharp piercing mouthparts. Head lice, unlike other lice, are not vectors for any disease, and infestation is generally harmless, if not exactly desirable. The dead or empty eggs of head lice, which are attached to hair shafts, are colloquially known as "nits". The presence of nits is a common condition, especially in children, and is often aggressively targeted in schools.

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Keywords: animal, arthropod, biology, blood, blood sucking, bloodsucker, clambering, claws, climbing, close up, close-up, detail, disease, extoparasite, haematophagous, hair, hairs, head louse, hematophagous, human, infest, infestation, insect, insecta, invertebrate, lice, macro, macroscopic, nit, nits, parasite, parasitic, pediculus humanus capitis, people, person, pest, phthiraptera, scalp, sucker, zoology

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Head lice in human hair

K003/6400 Rights Managed

Downloadable master

Duration: 00:00:10.28

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 608.0M

Original

Capture format: DSLR - AVCHD

Codec: Apple ProRes 422 (HQ)

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