Choose the correct combination of labeling the hormonal control of female reproductive system:

W- GnRH, X - FSH, Y – LH, Z-uterus

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W - GnRH, X - FSH, Y - oestrogen, Z-uterus

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W - GnRH, X - TSH, Y - LH, Z - uterus

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W - GnRH, X - ACTH, Y – LH, Z - Uterus

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Solution

The correct option is B W - GnRH, X - FSH, Y - oestrogen, Z-uterus
GnRH released from the hypothalamus stimulates the release of FSH from the pituitary. FSH acts on the ovary helping in the growth of ovarian follicles, which release estrogen that rebuilds the endometrium of the uterus.

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Similar questions

Q. Fill in the blanks:

Hormones	Target gland
(a) Hypothalamic hormone	.................................
(b) Thyrotrophin (TSH)	.................................
(c) Corticotrophin (ACTH)	.................................
(d) Gonadotrophins (LH, FSH)	.................................
(e) Melanotrophin (MSH)	.................................

Fill in the blanks:

Hormones Target gland

(a) Hypothalamic hormones __________________

(b) Thyrotrophin (TSH) __________________

(d) Gonadotrophins (LH, FSH) __________________

(e) Melanotrophin (MSH) __________________

Q. Identify the correct sequence of events from the following.
i. GnRH is produced in the brain
ii. It then moves to the pituitary gland situated just below the brain
iii. The pituitary gland releases LH and FSH into the bloodstream
iv. LH and FSH make gonads to secrete other hormones
v. These other hormones in males and females give rise to the changes observed at puberty

Q. Testosterone is a steroid hormone produced by all vertebrate animals and, in humans and other mammals, it is secreted in large amounts by the testes of males and to a much lesser extent, the ovaries of females. In adult males, testosterone plays a key role in the development of reproductive organs and it promotes the secondary sexual characteristics of body and facial hair, increased muscle and bone mass, and a deep voice. Testosterone, like all hormones, works via long distance signaling and is regulated by other hormones as illustrated below:

Figure 1:

Testosterone regulation by cooperation between the hypothalamus, pituitary, and testicular endocrine glands. The major regulatory hormones involved are luteinizing hormone (LH), follicle-stimulating hormone (FSH) and gonadotropin-releasing hormone (GnRH).

When testosterone levels are low, gonadotropin-releasing hormone (GnRH) is released by the hypothalamus, which in turn stimulates the pituitary gland to release FSH and LH. FSH and LH then stimulate the testis to produce testosterone.
How is homeostasis achieved when testosterone levels begin to rise?

Q. Match the column.

Column I	Column II
(a) $T_{4}$	(i) Hypothalamus
(b) PTH	(ii) Thyroid
(c) GnRH	(iii) Pituitary
(d) LH	(iv) Parathyroid

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Choose the correct combination of labeling the hormonal control of female reproductive system:

The correct option is B W - GnRH, X - FSH, Y - oestrogen, Z-uterusGnRH released from the hypothalamus stimulates the release of FSH from the pituitary. FSH acts on the ovary helping in the growth of ovarian follicles, which release estrogen that rebuilds the endometrium of the uterus.

The correct option is B W - GnRH, X - FSH, Y - oestrogen, Z-uterus
GnRH released from the hypothalamus stimulates the release of FSH from the pituitary. FSH acts on the ovary helping in the growth of ovarian follicles, which release estrogen that rebuilds the endometrium of the uterus.