e·chi·no·coc·ci (ĭ-kī'nə-kŏk'sī', -kŏk'ī') n. Plural of echinococcus. |
Echinococcus n.
A genus of parasitic tapeworms, the larvae of which, under certain conditions, infect humans, forming large hydatid cysts in the liver or lungs and causing serious or fatal disease.