Schistosoma mansoni: LM of larva

Schistosoma mansoni: LM of larva

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Caption: Light micrograph of a circaria, the final larval stage of the blood fluke Schistosoma mansoni, the cause of schistosomiasis (bilharzia). Note the prominent forked tail. Adult flukes inhabit blood vessels of the small intestines, causing dysentery & diarrhoea. Their spiked eggs cause anaemia, inflammation & tissue scarring. The circariae (larvae) develop in freshwater snails (the intermediate host) & are released into the water. Humans (the final host) are infected while bathing or working in contaminated water. S. mansoni is widespread in Africa, the West Indies, and South & Central America. Magnification: X 125 at 6x7cm size.

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Keywords: animal, bilharzia, blood, circaria, flatworm, fluke, invertebrate, invertebrates, larva, light micrograph, nature, parasite in, platyhelminthes, schistosoma mansoni, wildlife, zoology

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