Egg of human head louse pediculus, LM C013 / 5284
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Egg of human head louse pediculus, LM C013 / 5284
Light micrograph using differential interference contrast (DIC) of a nit (egg case) containing a developing human head louse Pediculus humanus capitis, attached to a human hair. The vase-like nit has a perforated lid (upper right), which is removed by the emerging nymph. Adult female lice lay between 80-100 eggs in a lifetime. Development to maturity is rapid, with successive generations arising at intervals of about three weeks. The adult lice live within the hair of the head. Infestations of Pediculus humanus capitus cause pediculosis, an intense itching that may progress to bacterial infection. Treatment is with shampoo preparations. Horizontal object size: 1.2 mm
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Media ID 9196149
© PASIEKA/SCIENCE PHOTO LIBRARY
Hair Head Louse Insecta Lice Louse Pediculus Humanus Capitis Light Micrograph
EDITORS COMMENTS
This print showcases the intricate details of an egg from a human head louse, scientifically known as Pediculus humanus capitis. The image, captured using differential interference contrast (DIC) microscopy, reveals a nit or egg case firmly attached to a single strand of human hair. The nit resembles a delicate vase with its perforated lid visible in the upper right corner. This lid is eventually removed by the emerging nymph inside, marking the beginning of its development into an adult louse. It is fascinating to note that adult female lice lay between 80-100 eggs throughout their lifetime. The rapid maturation process of these tiny creatures results in successive generations arising every three weeks. However, their presence can cause significant discomfort for humans as infestations lead to pediculosis – an intense itching that may even progress to bacterial infection if left untreated. To combat this issue, shampoo preparations are commonly used for treatment purposes. Measuring at just 1.2 mm horizontally, this image highlights the incredible complexity and resilience found within nature's smallest organisms. Overall, this photograph not only offers insight into the world of insects but also serves as a reminder of our interconnectedness with various forms of life on Earth – no matter how small they may be!
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