单词 | choanocyte |
释义 | Word Frequency choanocyte(ˈkəʊənəˌsaɪt) noun any of the flagellated cells in sponges that maintain a flow of water through the body. A collar of protoplasm surrounds the base of the flagellum Also called: collar cellWord origin C19: from Greek khoanē funnel (from khein to pour) + -cyte |
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