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  • word of the day

    collar cell

    collar cell - 365bet中国官方网站 definition and meaning for word collar cell

    Definition
    (noun) any of the flagellated cells in sponges having a collar of cytoplasm around the flagellum; they maintain a flow of water through the body
    Synonyms : choanocyte

  • Word used in video below:
    text: a plant cell has a membrane and a cell wall.
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