Question

Which part of ovary in mammals acts as an endocrine gland after ovulation?

• A. Stroma
• B. Germinal epithelium
• C. Vitelline membrane
• D. Graafian follicle

Answer 1

The Correct Option is D

The question asks which part of the ovary in mammals acts as an endocrine gland after ovulation. Let's analyze each option to determine the correct answer.

1. Stroma:

• Stroma is the connective tissue framework of the ovary.
• It provides structural support but does not have a primary role in endocrine function after ovulation.

2. Germinal epithelium:

• This is the layer of cells covering the surface of the ovary.
• It does not function as an endocrine gland following ovulation.

3. Vitelline membrane:

• The vitelline membrane is part of the egg cell structure, surrounding the yolk.
• This is unrelated to endocrine functions in the mammalian ovary.

4. Graafian follicle:

• After ovulation, the Graafian follicle transforms into the corpus luteum.
• The corpus luteum is responsible for secreting hormones such as progesterone and estrogen, which are crucial for maintaining pregnancy and regulating the menstrual cycle.

Based on this analysis, the Graafian follicle is the part of the ovary that acts as an endocrine gland after ovulation. Therefore, the correct answer is:

Correct Answer: Graafian follicle