Due to the process of follicle atresia:
Correct answer: B. Follicle degenerates
- A. Follicles reach maximum size
- B. Follicle degenerates
- C. Graafian follicle ovulates
- D. The follicle starts to mature
Explanation
The follicle that is not selected for ovulation begins to break down. The oocyte and surrounding granulosa cells undergo apoptosis (programmed cell death).
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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