• Macronucleus

    Noun

    macronucleus

    (plural macronuclei)
    1. (biology) The larger of the two nuclei present in ciliate protozoans; it controls the nonreproductive functions of the cell.
      • 1890 Proceedings, American Philosophical SocietyThese binucleated forms have one macronucleus functional and another sexual micronucleus which is not functional in the ordinary life processes of the species.

    Synonyms

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