False col SEM of head of a hookworm

False col SEM of head of a hookworm

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Caption: False colour scanning electron micrograph (SEM) of the head end of a hookworm, Ancylostoma duodenale. Sexually mature adult worms live as parasites in the human intestinal mucous membranes, where the females deposit eggs. Larvae pass to the outside through human faeces and subsequently re-enter their host by burrowing through the skin. After migrating through the lungs they settle in the gut and become sexually mature. Ancylostoma requires a temperature of 25-30 degrees C., in addition to sufficient moisture, in order to develop. Such conditions prevail in tropical & temperate regions, and also in mines and tunnelling operations. Magnification: X 100 at 35mm size.

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Keywords: animal, ankylostoma duodenale, hookworm, invertebrate, invertebrates, nature, nematoda, nematode, roundworm, wildlife, zoology

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