Oogenesis, ovogenesis, or oögenesis is the differentiation of the ovum into a cell competent to further develop when fertilized. It is developed from the primary oocyte by maturation. Oogenesis is initiated in the embryonic stage.

What is oogenesis explain?

Oogenesis, in the human female reproductive system, growth process in which the primary egg cell (or ovum) becomes a mature ovum. ... These cells, known as the primary ova, number around 400,000. The primary ova remain dormant until just prior to ovulation, when an egg is released from the ovary.

What is oogenesis quizlet?

oogenesis. The process by which a diploid germ cell, an oogonium, in the fetal ovary becomes a haploid ovum in the adult after fertilization occurs. First Stage of Oogenesis. OOgonia migrate from the yolk sac to the fetal ovary where further mitotic divisions occur.