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Fasciolopsis
''Fasciolopsis'' ( or ) is a genus of trematodes.
Just one species is recognised: ''Fasciolopsis buski''. It is a notable parasite of medical importance in humans and veterinary importance in pigs. It is prevalent in Southern and Eastern Asia. The term for infestation with ''Fasciolopsis'' is fasciolopsiasis.
==''Fasciolopsis buski''==
''Fasciolopsis buski'' is commonly called the giant intestinal fluke, because it is an exceptionally large parasitic fluke, and the largest known to parasitise humans. Its size is variable and a mature specimen might be as little as 2 cm long, but the body may grow to a length of 7.5 cm and a width of 2.5 cm. It is a common parasite of humans and pigs and is most prevalent in Southern and Southeastern Asia. It is a member of the family Fasciolidae in the order Echinostomida. The Echinostomida are members of the class Trematoda, the flukes. The fluke differs from most species that parasitise large mammals, in that they inhabit the gut rather than the liver as ''Fasciola'' species do. ''Fasciolopsis buski'' generally occupies the upper region of the small intestine, but in heavy infestations can also be found in the stomach and lower regions of the intestine. ''Fasciolopsis buski'' is the cause of the pathological condition fasciolopsiasis.〔Roberts LS, Janovy, J, Jr. (2009). "Foundations of Parasitology." McGraw Hill, New York, USA, pp. 272–273. ISBN 0-07-302827-4〕
In London, George Busk first described ''Fasciolopsis buski'' in 1843 after finding it in the duodenum of a sailor. After years of careful study and self experimentation, in 1925, Claude Heman Barlow determined its life cycle in humans.〔(Dr. Claude Heman Barlow ). Barlowgenealogy.com. Retrieved on 2012-12-18.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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