Fasciola hepatica Egg of Dicrocoelium sp.<unk>  is a collective name of a polyphyletic group of parasitic trematodes under the phylum Platyhelminthes. They are principally parasites of the<unk>  of various mammals, including humans. Capable of moving along the blood circulation, they can occur also in bile ducts, gallbladder, and<unk>  parenchyma. In these organs, they produce pathological lesions leading to parasitic diseases. They have complex life cycles requiring two or three different hosts, with free-living larval stages in water.
Liver fluke
Hookworm
Mosquito
Bowl of Hygieia
Parasitic worm
Pinworm 
Schistosoma
Human parasite