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Head louse claw
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Head louse claw
Head louse. Coloured scanning electron micrograph (SEM) of a claw of a human head louse (Pediculus humanus capitis) clinging to a human hair. The head louse inhabits the hair of the head, glueing its eggs (called nits) to the shafts of individual hairs. It lives on blood, which it sucks from the scalp. The wounds left by the lice cause intense itching, which can lead to dermatitis and impetigo (a bacterial infection of the skin). The problems are compounded by reflex scratching of the bites. The lice can spread from head to head by close contact. Nits and lice can be killed by washing the hair with special medicated shampoos. Magnification: x88 at 6x7cm size
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Media ID 9308447
© POWER AND SYRED/SCIENCE PHOTO LIBRARY
Claw Hair Head Louse Human Head Insecta Louse Pediculus Humanus Capitis Shaft
EDITORS COMMENTS
This print showcases the intricate details of a head louse claw, captured using a coloured scanning electron microscope. The image reveals the tenacious grip of this tiny insect on a human hair, highlighting its ability to cling onto its host. The head louse, scientifically known as Pediculus humanus capitis, is notorious for infesting the hair and laying eggs called nits along individual strands. Feeding exclusively on blood extracted from the scalp, these parasites leave behind itchy wounds that can lead to severe dermatitis and even bacterial infections like impetigo. Compounded by reflex scratching, these problems become more distressing for those affected. Close contact between individuals facilitates their spread from one head to another. However, there is hope in combating this pesky creature. Specially formulated medicated shampoos have been developed to effectively kill both nits and lice when used during regular hair washing routines. This photograph provides an up-close glimpse into the world of head lice and serves as a reminder of their impact on human health and well-being. Through scientific exploration and advancements in treatment methods, we continue our ongoing battle against these resilient insects that inhabit our very own heads.
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