单词 | ectozoon |
释义 | ectozoon /ek'teuh zoh"on, -euhn/, n. , pl. ectozoa /-zoh"euh/. Biol. any animal parasite, as the louse, that lives on the surface of its host (opposed to entozoon). Also, ectozoan. [1855-60; ECTO- + -ZOON] |
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