Head Louse Penis, Coloured Sem is a photograph by Power And Syred which was uploaded on May 12th, 2013.
Head Louse Penis, Coloured Sem
Head louse penis. Colured scanning electron micrograph (SEM) of a head louse penis (Pediculus humanus). The penis is normally hidden within the... more
Title
Head Louse Penis, Coloured Sem
Artist
Power And Syred
Medium
Photograph
Description
Head louse penis. Colured scanning electron micrograph (SEM) of a head louse penis (Pediculus humanus). The penis is normally hidden within the abdomen, but enlarges and protrudes during mating. The structure consists of a bulbous vesicle (partially visible in image) with pointed thin extensions known as the aedeagus (centre). During sexual reproduction, sperm is transported along the aedeagus. Head lice live in the hair of humans. Each female can lay up to 100 eggs (nits), which are glued to the bottom of hair shafts. An infestation of lice can cause itching due to allergic reaction to louse saliva. Magnification x280 at 10cm wide.
Uploaded
May 12th, 2013
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