- Small trematode (family Gymnophallidae) normally found in birds; often reported in human intestine in Korea; the intermediate host is presumed to be a marine oyster or clam.- G. seoi trematode found in inhabitants of an island southwest of Korean peninsula; infection produces vague intestinal symptoms; it is a human parasite under natural conditions, not accidental infections, and bivalves are intermediate hosts.
* * *Gym·no·phal·loi·des (jim″no-fə-loiґdēz) a genus of minute trematodes. The species G. seoґI is usually found in shore birds, but has been found as an intestinal parasite in humans in Korea.
Medical dictionary. 2011.