Echinococcus definition

ĭ-kīnə-kŏkəs
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Any of several parasitic tapeworms of the genus Echinococcus, the larvae of which infect mammals and form large, spherical cysts in the liver or lungs, causing serious or fatal disease.
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Any of a genus (Echinococcus) of tapeworms that cause disease in mammals.
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Any of several parasitic tapeworms of the genus Echinococcus, the larvae of which infect mammals and form large, spherical cysts in the liver or lungs, causing serious or fatal disease.
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(zoology) A parasite of humans and of many domestic and wild animals, the larval stage of Taenia echinococcus, that forms compound cysts or tumours (called hydatid cysts) in various organs, but especially in the liver and lungs.
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Other Word Forms

Noun

Singular:
echinococcus
Plural:
echinococci

Origin of echinococcus

  • New Latin Echīnococcus genus name echino– –coccus

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek ἐχῖνος (ekhinos, “hedgehog”) + coccus

    From Wiktionary