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Folliculogenesis

Meaning

Folliculogenesis is the complex, continuous developmental process in the female ovary where primordial follicles mature into preovulatory follicles, preparing an oocyte for potential ovulation. This tightly regulated process is a cornerstone of female reproductive physiology, spanning months to years, and involves the proliferation of granulosa cells, thecal cell differentiation, and the synthesis of sex steroids. The ultimate success of folliculogenesis determines fertility and the cyclical production of estrogen and progesterone, which profoundly impact systemic hormonal health. Clinicians monitor this process to assess ovarian reserve and diagnose ovulatory dysfunction.