Definition: Infection of horses with parasitic nematodes of the superfamily STRONGYLOIDEA. Characteristics include the development of hemorrhagic nodules on the abdominal peritoneum.
nematode infect; don't forget also HORSES (NIM) & check tag ANIMALS; for organism coord IM with STRONGYLUS (NIM) or other genus of superfamily STRONGYLOIDEA & its taxonomic families (NIM)