The correct option is
B Membranous granulosa of Graafian follicle
The correct option is B
Explanation of the correct option:
- Estrogen is the female reproductive hormone secreted by the membranous granulosa of the Graafian follicle.
- The Graafian follicle is a mature follicle that releases the ovum during the ovulatory phase.
- 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:
- The Corpus luteum produces the hormones estrogen and progesterone.
- 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.