ALL meanings of pronucleus
pro·nu·cle·us
P p - noun plural pronucleus either of the gametic nuclei that unite in fertilization to form the nucleus of the zygote. 1
- noun pronucleus the nucleus of a mature ovum or spermatozoan before fertilization 0
- noun pronucleus the haploid nucleus of either the spermatozoon or the ovum which unite in fertilization to form the fused double (or diploid) nucleus of the fertilized ovum, or zygote 0