Definition: A genus of roundworms of the phylum Acanthocephala, parasitic in rats, mice, hamsters, dogs and cats. Occasional infection in man produces inflammation and ulceration of the intestinal mucosa.
a genus of roundworms; infection: coord IM with HELMINTHIASIS (IM); for antigens, coord with ANTIGENS, HELMINTH, for antibodies, coord with ANTIBODIES, HELMINTH