Dictionary

pronucleus

noun pro·nu·cle·us \(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
ADVERTISEMENT

Origin of PRONUCLEUS

New Latin
First Known Use: 1880
Medical Dictionary

pronucleus

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

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

Browse

Next Word in the Dictionary: pro numberPrevious Word in the Dictionary: pronuclear All Words Near: pronucleus
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears