infection of humans and grass-grazing animals, caused by the liver fluke Fasciola hepatica, a small parasitic flatworm that lives in the bile ducts ... Found on http://www.britannica.com/eb/a-z/f/10
(fas″e-o-li´ә-sis) infection with liver flukes of the genus Fasciola, which may involve either obstruction of biliary passages or invasion of the parenchyma of the liver. Found on http://www.encyclo.co.uk/local/21001