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Q.
Progesterone is secreted by :
Haryana PMTHaryana PMT 2005
Solution:
Progesterone is a principal female sex hormone. It is a steroid. It is secreted during the later half of the menstrual cycle in human females by temporary endocrine tissue, the corpus luteum. The luteinizing hormone (LH) of anterior pituitary brings about a rupture of the graafian follicle to release the ovum, and changes the ruptured follicle into a yellow structure called corpus luteum, which secrets progesterone.