Strongyloides

noun

Stron·​gy·​loi·​des ˌsträn-jə-ˈlȯi-ˌdēz 

: a genus (the type of the family Strongyloididae) of nematode worms having both free-living males and females and parthenogenetic females parasitic in the intestine of various vertebrates and including some medically and economically important pests of humans