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Question

Estrogen is secreted by


A

Corpus luteum

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B

Membranous granulosa of Graafian follicle

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C

Pituitary

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D

Germinal epithelium of the ovary

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Solution

The correct option is B

Membranous granulosa of Graafian follicle


The correct option is B

Explanation of the correct option:

  1. Estrogen is the female reproductive hormone secreted by the membranous granulosa of the Graafian follicle.
  2. The Graafian follicle is a mature follicle that releases the ovum during the ovulatory phase.
  3. Estrogen is responsible for the development of the female body, secondary sexual characteristics, and growth of the endometrium during the menstrual cycle.

Explanation of the incorrect option:

Option A:

  1. The Corpus luteum produces the hormones estrogen and progesterone.
  2. The corpus luteum's most important work is to make progesterone.

Option C:

Germinal epithelium is a layer of cells in the female that covers the ovary.

Option D:

The pituitary gland produces many hormones like growth hormone, adrenocorticotropic hormone, etc.

Final Answer: Estrogen is secreted by membranous granulosa of the Graafian follicle.


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