female pronucleus


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pronucleus

 [pro-noo´kle-us]
the haploid nucleus of a germ cell.
female pronucleus the haploid nucleus of the fully mature oocyte, which loses its nuclear envelope and liberates its chromosomes to meet the synapsis with those from the male pronucleus.
male pronucleus the nuclear material of the head of a spermatozoon, after it has penetrated the oocyte and acquired a pronuclear membrane.

female pronucleus

the nucleus of the ovum after fertilization but before the fusion of nuclear material from the sperm. The pronucleus is larger than the normal nucleus and has a diffuse appearance.

pronucleus

pl. pronuclei; the haploid nucleus of a sex cell.

female pronucleus
the haploid nucleus of the fully mature ovum which loses its nuclear envelope and liberates its chromosomes to meet the synapsis with those from the male pronucleus.
male pronucleus
the nuclear material of the head of a spermatozoon, after it has penetrated the ovum and acquired a pronuclear membrane.