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

First Known Use of micronucleus

1887, in the meaning defined above

History and Etymology for micronucleus

New Latin

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The first known use of micronucleus was in 1887

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More Definitions for micronucleus

micronucleus

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

Medical Definition of micronucleus 

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

More from Merriam-Webster on micronucleus

Britannica.com: Encyclopedia article about micronucleus

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