NEET BIOLOGY

REPRODUCTION

HUMAN REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the role of FSH during the menstrual cycle?
A
Inhibits the development of another follicle by inhibiting FSH.
B
Stimulates the development of follicles which in turn leads to estrogen secretion.
C
Causes ovulation and causes the ruptured follicle to develop into a corpus luteum.
D
stimulates the growth of the endometrium lining.
Explanation: 

Detailed explanation-1: -GnRH stimulates the pituitary gland to produce follicle stimulating hormone (FSH), the hormone responsible for starting follicle (egg) development and causing the level of estrogen, the primary female hormone, to rise.

Detailed explanation-2: -In women, FSH helps control the menstrual cycle and stimulates the growth of eggs in the ovaries. FSH levels in women change throughout the menstrual cycle, with the highest levels happening just before an egg is released by the ovary. This is known as ovulation. In men, FSH helps control the production of sperm.

Detailed explanation-3: -Postive feedback: occurs at high concentrations near the end of the follicular phase, estrogen becomes a positive inducer of the anterior pituitary. positive feedback triggers the anterior pituitary to release more FSH and LH. more FSH and LH cause the ovary to produce more estrogen.

Detailed explanation-4: -FSH (Follicle-Stimulating Hormone) In the ovary, FSH stimulates folliculogenesis and steroidogenesis, which, in turn, prepare the female reproductive tract for fertilization, implantation, and pregnancy. In the testis, this gonadotropin plays a central role in testicular development and spermatogenesis.

Detailed explanation-5: -FSH classically stimulates follicular growth during development and granulosa cells and follicle growth in females and Sertoli cells function in males during adult life.

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