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| Lancet Liver Fluke ： ウィキペディア英語版 |
Dicrocoelium dendriticum
The lancet liver fluke (''Dicrocoelium dendriticum'') is a parasite fluke that tends to live in cattle or other grazing mammals.
== History of discovery ==
Much of what is presently known about ''Dicrocoelium dendriticum'' is the result of the work of the naturalist Wendell Krull. While D. dendriticum was discovered by Rudolphi in 1819 and D. hospes was discovered by Loos in 1899, the full life cycle was not known until Krull and C.R. Mapes published a series of papers from 1951-1953 detailing their observations and experiments. It was known that D. dendriticum affected sheep, but everything else was a mystery. The first link in the chain was the discovery of the first intermediate host, the land snail ''Cochlicopa lubrica'' (synonym: ''Cionella lubrica''). Next came the discovery that the slime balls coughed up by the snails could be a potential method of transfer of the parasite. Shortly thereafter, the ant ''Formica fusca'' was found to be the second intermediate host by which sheep were infected. Their work is the foundation of modern understanding of the parasite.
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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