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Folliculogenesis is the process in which a recruited primordial follicle grows and develops into a specialized graafian follicle with the potential to either ovulate its egg into the oviduct at mid-cycle to be fertilized or to die by atresia.
The second stage in the development of ovarian follicles, occurring only after puberty, by which time more than 95% of the original primordial follicles have degenerated by atresia, and ~40,000 remain; at puberty, some15-20 primordial follicles develop further at the onset of each ovarian cycle; the diploid primary oocyte, derived by mitosis from an oogonium during embryonic life, begins to grow and enlarge and begins to accumulate nutrient stores, the future yolk; the single layer of ...