Dictionary

micronucleus

noun mi·cro·nu·cle·us \ˌmī-krō-ˈnü-klē-əs, -ˈnyü-\

Definition of MICRONUCLEUS

:  a minute nucleus; specifically :  one that is primarily concerned with reproductive and genetic functions in most ciliated protozoans

Origin of MICRONUCLEUS

New Latin
First Known Use: 1887

micronucleus

noun mi·cro·nu·cle·us \ˌmī-krō-ˈn(y)ü-klē-əs\   (Medical Dictionary)

Medical Definition of MICRONUCLEUS

:  a minute nucleus; specifically :  one regarded as primarily concerned with reproductive and genetic functions in most ciliated protozoans—compare macronucleus

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