Definition of macronucleus Macronucleus
mac•ro•nu•cle•us
We found 1 definitions of macronucleus from 1 different sources.
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What does macronucleus mean?
Wiktionary 
- macronucleus (Noun)
The larger of the two nuclei present in ciliate protozoans; it controls the nonreproductive functions of the cell.
