Spermatogenesis is under the regulatory influence of
a)	ADH	b)	FSH	c)	LH	d)	STH

(b)

Follicle stimulating hormone (FSH) is produced by basophilic cells of adenohypophysis  pituitary gland. In females, this hormone is responsible of ovarian follicles upto ovulation , while in males, its functions are development of seminiferous tubules and maintenance of spermatogenesis.