The gonadotrophic hormones are secreted by the
Correct answer: A. Anterior lobe of the pituitary
- A. Anterior lobe of the pituitary
- B. Interstitial cells of testes
- C. Adrenal cortex
- D. Posterior part of the thyroid
Explanation
Gonadotrophic hormones are secreted by the anterior lobe of the pituitary gland. They are as follows: (i) Follicle-stimulating hormone (FSH): It stimulates the growth of ovarian follicles and their secretion of estrogens in the female and spermatogenesis (formation of sperms) in the male. (ii) Interstitial cell-stimulating hormone (ICSH): It activates the Leydig's (interstitial) cells of the testis to secrete androgens. In female, it stimulates the corpus luteum of the ovary to secrete progesterone. In females, it is termed luteinizing hormone (LH).
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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