macronucleus

名词 n.

英文释义

名词 n.
  1. The larger of the two nuclei present in ciliate protozoans; it controls the nonreproductive functions of the cell.
    — These binucleated forms have one macronucleus functional and another sexual micronucleus which is not functional in the ordinary life processes of the species.

词形变化

macronuclei plural

词源

Etymology tree
Proto-Indo-European *meh₂ḱ-
Proto-Indo-European *-rós
Proto-Indo-European *mh₂ḱrós
Proto-Hellenic *makrós
Ancient Greek μᾰκρός (măkrós)der.
French macro-der.
English macro-
Proto-Italic *knuks
Latin nux
Latin nucleuslbor.
English nucleus
English macronucleus
From macro- + nucleus.
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