Physiology of the Female Reproductive Cycle Flashcards
menarche
the very first menstrual flow
menses
regular monthly flow int he reproductive years
perimenopausal (what happens, begins/lasts)
a woman at the near end of her menstrual years
cycles become irregular, begins around late 40’s, last about ten years
menopause
when the menstrual cycle ceases altogether (1 year without period)
female menstrual cycle hormones (6)
GnRH
FSH
LH
estrogen
progesterone
relaxin
difference between GnRF and GnRH
none they are the same thing just different names
GnRH produced by
hypothalamus
the ______ is the control center for the menstrual cycle
hypothalamus
GnRH stimulates the ______ to produce its hormones
anterior pituitary
anterior pituitary releases
FSH and LH
FSH and LH are produced by the _____ of the ____
beta cells
anterior pituitary
FSH and LH are known as
gonadotropins
FSH and LH stimulate the
ovaries
FSH stimulates
the growth of follicles
many follicles will be stimulated by ____, but only one will ____ producing an ____ with each cycle
FSH
mature
egg
LH stimulates (in respect to follicles)
follicles but to a lesser extend to FSH
the surge of ___ is responsible for ovulation
LH
LH supports the growth of the ______ but does not _____
corpus luteum
maintain it
in pregnancy, ____ maintains the corpus luteum
hCG
dominant follicle after ovulation is referred to as the _____
corpus luteum
ovarian steroids (3)
estrogen
progesterone
relaxin
estrogen is secreted by the _____
granulosa cells lining the follicle
estrogen peak secretion occurs ______
just before ovulation