pronucleus

noun
pro·nu·cle·us | \ (ˌ)prō-ˈnü-klē-əs , -ˈnyü- \

Definition of pronucleus 

: the haploid nucleus of a male or female gamete (such as an egg or sperm) up to the time of fusion with that of another gamete in fertilization

First Known Use of pronucleus

1876, in the meaning defined above

History and Etymology for pronucleus

New Latin

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The first known use of pronucleus was in 1876

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More Definitions for pronucleus

pronucleus

noun
pro·nu·cle·us | \ (ˈ)prō-ˈn(y)ü-klē-əs \
plural -clei\-klē-ˌī \ also pronucleuses

Medical Definition of pronucleus 

: the haploid nucleus of a male or female gamete (as an egg or sperm) up to the time of fusion with that of another gamete in fertilization — see female pronucleus, male pronucleus

More from Merriam-Webster on pronucleus

Britannica.com: Encyclopedia article about pronucleus

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