A) progesterone
B) FSH
C) oxytocin
D) vasopressin
Correct Answer: A
Solution :
Menstrual flow occurs due to lack of hormone progesterone. When progesterone level in the blood falls to a certain level the pituitary gland again starts to secrete the FSH. The disrupted epithelium reforms glands proliferates another ovarian follicle is stimulated and the cycle starts again. Oxytocin promotes contraction of the uterine muscle and contraction of the myoepitheiial cells of the lactating breast, squeezing milk into the large ducts behind the nipple. Oxytocin is called birth hormone and milk ejecting hormone. Vasopressin or ADH increases the reabsorption of water in the distal convoluted tubule. collecting tubules and collecting ducts of the nephrons of the kidneys.
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