hormonal control of uterine and ovarian cycles

Question 1

Describe the hormonal control of uterine cycle and ovarian cycle

Answer 1

1. Hypothalamus releases GnRH
2. GnRH stimulates the anterior pituitary gland to release LH and FSH

Question 2

FSH

Answer 2

-stimulates secretion of estrogen by ovaries

-helps with initial development of ovarian follicles

-full development of at least one follicle each month

Question 3

LH

Answer 3

-Stimulates further development of ovarian follicles during

-ovulation

-helps with secretion of estrogen and progesterone by ovaries

Question 4

Estrogen

Answer 4

-development of female reproductive system

-regulation of fluid and electrolyte balance

-stimulation of protein synthesis

Question 5

progesterone

Answer 5

works with estrogen to prepare endometrium and helps mammary glands for milk synthesis

Question 6

Relaxin

Answer 6

-produced monthly

-Relaxes uterus by inhibiting contractions

-allows pubic sythesis to dialiate for birth of a baby

Question 7

inhibin

Answer 7

-inhibits secretion of FSH and GnRH

-inhibis a little bit of LH

-uses a negative feedback loop