<microbiology> An intestinal parasitic infection caused by a nematode from the genus Trichostrongylidae. ... (19 Jan 1998) ... 
(trik″o-stron″jә-li´ә-sis) infection by species of Trichostrongylus; it may be asymptomatic or iconsist of diarrhea.
trichostrongyliasis Infestation with the intestinal parasite Trichostrongylus; a rare disease in the United States.