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Medical Dictionary

macronucleus

play
noun mac·ro·nu·cle·us \ˌmak-rō-ˈn(y)ü-klē-əs\

Medical Definition of macronucleus

plural macronuclei \-ˌī\play also macronucleuses

  1. :  a relatively large densely staining nucleus of most ciliate protozoans that is derived from micronuclei and controls various nonreproductive functions—compare micronucleus

macronuclear \ˌmak-rō-ˈn(y)ü-klē-ər\play adjective



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