Biological Sciences 26 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

two cell types involved in estrogen production

A

theca cells

granulosa cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what do theca cells and granulosa cells have in common?

A

both have LDL and LH receptors

both can convert cholesterol to progesterone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Only theca:

A

progesterone to androgens

must send androgens to granulosa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

only granulosa:

A

send progesterone to theca to convert to androgen

converts androgens to estrogens

FSH receptor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

role of FSH in estrogen production

A

binds to GRANULOSA cells to convert androgen to estrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

hypothalamic releasing hormone:

A

GnRH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

anterior pituitary sex hormones

A

FSH, LH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

ovarian hormones

A

estrogen, progesterone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Levels on FSH, LH during childhood

A

almost absent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

days of ovarian cycle:

5-14

A

follicular growth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

days of ovarian cycle:

14

A

ovulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

days of ovarian cycle:

14-23

A

development of corpus leuteum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

days of ovarian cycle:

24-28

A

regression of corpus leutuem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

days of uterine cycle:

1-5

A

menstruation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

days of uterine cycle:

4-14

A

proliferation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

days of uterine cycle:

14-28

A

secretion

17
Q

estradiol trends during menstrual cycle

A

low level

spikes but increase prior to ovulation

decrease sharply after ovulation

remain low until day 20 ad slight increase

18
Q

progesterone trends during menstrual cycle

A

starts low

bell curve peak 1 day after ovulation

levels decline

19
Q

FSH trends during menstrual cycle

A

start highest [ ]

sharp increase (2 fold) prior to ovulation

decrease during ovulation

20
Q

LH trends during menstrual cycle

A

sharpest increase one day before ovulation

21
Q

ovarian hormones

A

estrogen

progesterone

22
Q

what provides nourishment for ovum (primordial follicles)

A

granulosa cells

23
Q

granulosa cell function

A

provide nourishment for ovum

surround primordial follicle

secrete oocyte maturation inhibiting factor (stays in primordial state)