A) emergency
B) gonadotropic hormones
C) neurohormones
D) outstress hormones
Correct Answer: B
Solution :
PSH and LH are secreted by the gonadotroph cells of anterior pituitary. Since both of these stimulate growth and activities of gonads, these are called gonadotropic hormones. These are also activate the accessory genital organs. Secretion of these hormones begins only two to three years before puberty. Their secretion is initiated by a "Genetic Biological Clock" located in hypothalamus. Further the secretion of FSH in women is also regulated by a "Clock of menstrual cycle". Under the regulation of both these clocks a Gonadotropin Release Hormone (GnRH) is secreted by hypothalamus.
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