cyclozoonosis

cy·clo·zo·o·no·sis

(sī'klō-zō'ō-nō'sis), A zoonosis that requires more than one vertebrate host (but no invertebrate) for completion of the life cycle; for example, various taenioid cestodes such as Taenia saginata and T. solium in which humans are an obligatory host; hydatid disease, a cyclozoonosis in which humans are not obligatory host. [cyclo- + G. zōon, animal, + nosos, disease]