Mating schistosome flukes, SEM

Mating schistosome flukes, SEM

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This image is part of the feature Parasites

Credit: DAVID SCHARF/SCIENCE PHOTO LIBRARY

Caption: Mating schistosome flukes. Coloured scanning electron micrograph (SEM) of a pair of schistosome flukes (Schistosoma mansoni) mating. These flukes are a cause of schistosomiasis in humans. The larger male is seen wrapped around the narrow female (lower right). As adults, these worms live in the veins around the large intestine. During mating, the male holds the female in a groove known as the gynaecophoric canal, which he forms by folding the sides of his body around her. The many eggs produced by the female leave the body in the faeces, but can also form fibrous obstructions of tissues and vessels known as granulomas. Magnification: x85 at 6x7cm size. x150 at 4x5"

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Keywords: adult, adults, animal, bilharzia, coloured, couple, disease, disease-causing, female, flatworm, flatworms, fluke, flukes, invertebrate, invertebrates, male, mating, nature, pair, paired, parasites, parasitic, pathogen, pathogenic, pathogens, pathology, platyhelminthes, reproducing, reproduction, scanning electron micrograph, schistosoma mansoni, schistosome, schistosomes, schistosomiasis, sem, trematoda, trematodes, tremdatode, two, wildlife, worm, worms, zoology

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