Human Reproduction Question 451

Question: The layer of cells immediately surrounding the ovum but outside the zona pellucida is called [CPMT 1987]

Options:

A) Corona radiata

B) Membrana granulosa

C) Theca interna

D) Germinal epithelium

Show Answer

Answer:

Correct Answer: A

Solution:

Human egg or ovum is non cleidoic and alecithal.

The ovum possesses three coverings-Inner plasma membrane, middle glycoprotein zona pellucida and outer cellular corona radiata with radially elongated scattered cells held in mucopolysaccharide