menstrual and ovarian cycles Flashcards
(25 cards)
in the follicular phase of the ovarian cycle, the follicle produce _____
estrogen
in the follicular phase of the ovarian cycle, as estrogen increases, ______ decreases allowing for only the strongest follicles to survive
FSH
in the follicular phase of the ovarian cycle, estrogen stimulates the release of ____
LH
in the follicular phase of the ovarian cycle, the surge of _____ stimulates the release of the egg
LH
during the luteal phase, the follicle cells become the ____ ______
corpus luteum
during the luteal phase, the corpus luteum makes ________
progesterone
if pregnancy doesn’t occur in the luteal phase, the ____ _____ degenerates and the decrease in ______ will signal to the hypothalamus to start the cycle over again
corpus luteum
progesterone
the menstrual phase lasts __-___ days
2-8
during the menstrual phase, _____ tissue sloughs off in response to hormonal changes
endometrial
the menstrual phase occurs when the ____ is not fertilized
ovum
during the menstrual phase estrogen levels are _____
low
the proliferative phase is a period of rapid growth due to increasing _____ levels
estrogen
the proliferative phase is a period of ____ _____ due to increasing estrogen levels
rapid growth
____ levels are highest right before ovulation
estrogen
estrogen levels are highest right before _______
ovulation
during the proliferative phase, the ______ increases in thickness by 6-10 fold
endometrium
if fertilization doesn’t occur, the ________ phase follows ovulation until about 3 days before next menstrual period
secretory
during the secretory phase, there are very high levels of _________
progesterone
during the _______ phase there are very high levels of progesterone
secretory
_______ occurs 7-10 days after ovulation
implantation
implantation occurs ____-____ days after ovulation
7-10
implantation occurs 7-10 days after _________
ovulation
the ______ phase lasts 1-2 days
ischemic
during the ischemic phase, blood supply to ________ is blocked and _______ develops
endometrium
necrosis