NCIt definition : A genus of parasitic nematodes in the family Gnathostomatidae. The Gnathostoma lifecycle
involves copepods as the first intermediate host; fish, frogs, or snakes as the second
intermediate host; and pigs, cats, dogs, or wild animals as its natural definitive
host. Humans may become infested by eating infested fish or fowl. Infestation causes
gnathostomiasis.;
Alternative definition : CDISC: Any nematode parasite that is not assigned to the species level but can be
assigned to the Gnathostoma genus level.;