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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
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Origin and Etymology of pronucleus
New Latin
Medical Dictionary
pronucleus
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noun
pro·nu·cle·us
\(ˈ)prō-ˈn(y)ü-klē-əs\
Medical Definition of pronucleus
pronuclei
\-klē-ˌī\play alsopronucleuses
: 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
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Britannica.com: Encyclopedia article about pronucleus
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