Fasciola

(fa,-se'o-lah) [I^. dim. of fascia.] genus of Trematoda or flukes. F. america'na, F. magna, Distomum magnum, fluke found in the lungs and liver of cattle in North America it is not known to infest man. F. hepat'ica, F. huma'na, Distomum. hepaticum, the ordinary liver fluke, inhabiting the bileducts of man and many of the lower animals; the intermediate host is a snail {Limneus truncaiuliis, L. humilis, L. viator) from which.the cercaria escape and become encysted on watercre , lettuce, and other vegetables by means of which they gain acce to the intestinal canal. F. lanceola'ta, Dicrocelium lanceatum. F. mag'na, F. american a*