pronucleus
pro·nu·cle·us
noun \(ˌ)prō-ˈnü-klē-əs, -ˈnyü-\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
Origin of PRONUCLEUS
New Latin
First Known Use: 1880
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