Facsciolopsiasis (largest intestinal fluke of humans)

Fasciolopsis buski

Trematodes( Flukes )

Most infections are lightand asymptomatic. Inheavier infections,symptoms include diarrhea,abdominal pain, fever,ascites, anasarca andintestinal obstruction

Immature eggs aredischarged into theintestine and stool ANDEGGS release miracidiathat invades the Snail,undergoes severaldevelopmental stages.

The cercariae arereleased from thesnail and encyst asmetacercariae onaquatic plants

Humans and Pigs

mammalian hosts become infected byingesting metacercariae on the aquatic plants

Microscopic identificationof eggs, or more rarely ofthe adult flukes, in thestool or vomitus is thebasis of specific diagnosis