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fascioliasis fas·ci·o·li·a·sis (fə-sē'ə-lī'ə-sĭs, -sī'-)
Infection with a liver fluke of the genus Fasciola.
infection of humans and grass-grazing animals, caused by the liver fluke Fasciola hepatica, a small parasitic flatworm that lives in the bile ducts and causes a condition known as liver rot.