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a genus of trematode parasites, having two invertebrate hosts, the first a snail, the second a crab or crayfish. P. westerma´ni is the lung fluke, seen particularly in Asia, found in cysts in the lungs and sometimes the pleura, liver, abdominal cavity, and elsewhere in humans and other animals who have ingested contaminated fresh water crayfish or crabs.
A genus of lung flukes, parasitic in humans and a wide variety of mammals that feed on crustacea carrying the metacercariae.
[para- + G. gonimos, with generative power]
A genus of trematode worms.
The lung fluke, a common parasite of certain mammals including humans, dogs, cats, pigs, and minks. Human infestation occurs through eating partially cooked crabs or crayfish, the second intermediate host. This infestation is endemic in certain parts of Asia. See: illustrationillustration