Colour SEM of the head of a hookworm, Ancylostoma

Colour SEM of the head of a hookworm, Ancylostoma

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Credit: DAVID SCHARF/SCIENCE PHOTO LIBRARY

Caption: Hookworm head. Coloured Scanning Electron Micrograph of the head of the parasitic hookworm, Ancylostoma duodenale. This is one of the commonest causes of hookworm infestation in humans, particularly in sub-tropical regions such as North Africa & India. The worm's head contains several tooth-like structures with which it clings to the bowel of it's host. Hookworms also infect dogs and cats. Human infestation begins with larvae penetrating the skin, usually by burrowing into the feet of a person and entering the bloodstream. The larvae then migrate throughout the body, particularly the small intestine. Magnification: x168 6x6cm size. Magnification: x250 at 4x4 inch size.

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Keywords: ancylostoma duodenal, ancylostoma duodenale, animal, head, hookworm, human parasite, invertebrate, invertebrates, nature, nematoda, nematode, parasite, parasitic, roundworm, wildlife, worm, zoology

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