The outermost layer of newly ovulated ovum is:
Correct answer: B. Corona radiata
- A. Zona pellucida
- B. Corona radiata
- C. Chorioallantois
- D. Amnion
Explanation
The outermost layer of a newly ovulated ovum is called the corona radiata. It is a layer of granulosa cells that surround the ovum and help to protect it during ovulation. The corona radiata also plays a role in fertilization, as it helps to attract sperm to the ovum. So, B is the correct option.
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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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