These are enclosed in a group of follicle cells at time of birth:
Correct answer: B. Primary oocytes
- A. Oogonia
- B. Primary oocytes
- C. Secondary oocytes
- D. Ova
Explanation
At the time of birth, a female has about 1-2 million primary oocytes in her ovaries. These primary oocytes are enclosed in a group of follicle cells, called a primordial follicle. The primordial follicle is the first stage in the development of an egg cell. So option B is correct.
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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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