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BIOL 404-Exam 4-Reproduction 11
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What is the name for days 15-28 of the ovarian cycle?
The leuteal phase
What days correspond with the leuteal phase?
days 15-28
What days correspond to the follicular phase?
1-14
How many follicles develop at the beginning of the follicular phase?
many
How many follicles become hormonally susceptible during the early follicular phase?
10-25
How many follicles continue to develop after day seven?
One the dominant follicle
How can you tell the difference between a dominant follicle and the others?
The theca and granulosa are larger and in greater numbers
What hormones are produced by the granulosa and theca cells?
Estrogens
What cells produce most of the estrogens?
The granulosa and theca cells
What receives all of the FSH and LH during the follicular phase?
The dominant follicle (it blocks other follicles from receiving these hormones)
When does the corpus luteum become functional?
The leutel phase
The follicular phase is driven by what hormones?
LH and FSH
What is the primary estrogen of the leuteal phase?
Progesterone
What occurs around day 25 of the ovarian cycle?
GnRH, LH and FSH are produced at a very low rate
Corpus luteum dies, lowering estrogens and progesterone
Around what day does the corpus luteum die?
Day 25
Around what day does the corpus luteum die and GnRH, FSH and LH become diminished?
Day 25
When does the leuteal phase end?
Day 28
What happens on day 28?
Leuteal phase ends
What doe s combination of FSH and LH cause in the follicular stage?
Follicle Maturation
Increase in synthesis and secretion of ovarian steroid hormones
What hormone is dominant during the leuteal phase?
LH
When is LH dominant?
During the luteal phase
What day does FSH increase to levels as high as LH?
Day 7
What occurs on day 7 of the ovarian cycle?
FSH reaches equivalent levels to LH
Non-dominant Secondary follicles undergo atregia
Estrogens begin to rise
What day do non-dominant follicles begin to die off?
Day 7
Author
kyleannkelsey
ID
216173
Card Set
BIOL 404-Exam 4-Reproduction 11
Description
BIOL 404-Exam 4-Reproduction 11
Updated
2013-04-27T23:09:20Z
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