set of helminths and their eggs. worms. hepatic fluke, hepatic trematode, ascaris, pinworm, lamblia, cyst of lamblia.

abstract anatomy ascaris biology care cartoon cyst design disease drawing egg element epidemic fluke giardia health helminth helminths hepatic human hygiene icon illness illustration infection intestinal intestine isolated medical medicine microbe microbiology microorganism microscopic nematode organism parasite parasitic picture pinworm roundworm schistosomiasis science set sign symbol tapeworm trematode vector worm