A genus of parasitic nematodes occurring in Brazil, Africa, and Indonesia. It is a rare intestinal parasite of man, producing symptoms of dysentery in cases of heavy infection. The worms may also invade the tissues of the gut wail, giving rise to abscesses. The worms can be eliminated with tetrachloroethylene.
A genus of nematodes belonging to the suborder Strongylata that is parasitic in the intestinal tract of animals and humans.