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Physiology Exam IV > Female Reproductive System > Flashcards

Female Reproductive System Flashcards

1
Q

What are the peptide hormones

A

GnRH, OT, FSH, LH, Prolatin, Inhibit

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2
Q

what peptide hormones get released from hypthalamus

A

GnRH, OT

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3
Q

what peptide hormones get released from pituitary

A

FSH, LH, prolactin

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4
Q

what peptide hormoens get released from ocarian

A

inhibin

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5
Q

what are the steroid hormones

A

estradiol, progesterone, androstenedione, testosterone

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6
Q

What releases the steroid hormones

A

ovary

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7
Q

function of GnRH

A

acts on anti. pit to release gonadotropins

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8
Q

function of LH

A

act on ovary to increase estrogen/progersterone/inhibins

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9
Q

functino of FSH

A

Act on ovary to increase estrogen/progesterone/inhibins.

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10
Q

function of estrogen

A

Increases size of uterus, ovaries, vagina, breasts (does not convert them to milk producing organs). Proliferation of endometrial stroma lining. Inhibits osteoclast activity. Increases body protein and fat deposition. Sodium and water retention. Makes mucous thin and stringy which can help guide sperm

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11
Q

function of progestone

A

Promotes secretory changes of uterus, prepares it for implantation. Decreases uterine contractions. Decreases prostaglandin production. Secretes fluid in fallopian tubes. Secretory development of breast tissue. Opposite effect on cervical mucous – increased viscosity.

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12
Q

primary oocyte

A

surrounded by granulosa cells and is referred to as primordial follicle

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13
Q

what do granulosa cells secrete

A

oocyte-maturation inhbiting factor that halts further maturation

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14
Q

what are the 2 phases of follicular development

A

follicular phase

luteal phase

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15
Q

follicular phase

A

endometrial proliferation

follicle development

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16
Q

when does luteal phase occur

A

after oculation

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17
Q

what happens during luteal phase

A

coreus luteum forms
endometrial differentation
menses

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18
Q

level of INhibin A in follicular and luteal phase

A

low in follicular

high in luteal

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19
Q

level of inhibin B in follicular and luteal phase

A

moderate in follicular phase

spikes at beginnin gof luteal, then is low

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20
Q

level of estradiol in follicular and luteal phase

A

low in both but spikes inbetween

21
Q

LH and FSH levels in follicular and luteal phases

A

low in follicular

spikes at beginnin gof luteal then is low again

22
Q

what does LH cause in follicular phase

A

theca cells to synthesis androstendione

23
Q

what does androsternoid get converted to

A

estradiol

24
Q

what happens after the spike of FSH in follicular phase

A

granulosa and teca cells proliferate

25
Q

granulosa and theca cells proliferating leads to what

A

increased steroid production

26
Q

estradiola have what affect on RSH

A

increases FSH recepotors, increasing granulosa cell sensitivity to RSH and increasing follicular secretions

27
Q

effect of FSH and estradiol on LH

A

increases LH receptors on theca cells also increasing follicular secretion

28
Q

what affect does inhibin B have on FSH

A

inhibits

29
Q

proliferation of epithelial cells in endometrium is controlled by what, and when is this happening

A

estrogen

follicular phase

30
Q

what are progesteron and estrogen doing during the luteal phase

A

exert neg feedback at level of anti- pit.

31
Q

what happens with estrogen right before ovulation

A

spikes for a day, causes pos feedback on gonadotropins

32
Q

what is required for ovulation

A

LH

33
Q

what happens to progesterone if ovulation occurs

A

is thermogenic, increases basal body temp slightly

34
Q

what cells create the corpus luteum

A

thecal, granuloa, endothelial, lipids, and immune cells

35
Q

function of corpeus luteum

A

acts like a temporary endocrine gland that secrets estradiol and progestreone

36
Q

function of theca cells

A

convert cholesterole into androstedione in response to LH

37
Q

what happens to androstenedione

A

converted to estrdiol in luteinizing granuloa cells which are controlled by LH

38
Q

what is responsible for differention/secretory development of endometrial lining in luteal phase

A

progestone

39
Q

progestrone and inhibin A exert neg feedback on _______ from _____

A

gonadotropins

ant. pit

40
Q

less steroid synthisis from corpus luteum leads to what

A

regression of corpeus luteum

41
Q

decline in estrogen and progestrone resulines in what

A

release of proteolytic enzymes which lyse tissue

42
Q

corpus luteum secrets ____ which inhibits myometrial contractions

A

relaxin

43
Q

what affect does progesterone have during pregnancy

A

suppresses uterine contraction, inhibits prostaglandin produciton, impacts immune response

44
Q

what affect does estrogen have during pregnancy

A

stimulates uterine growth

thickens vaginal epithelium and growth/development of mammary epithelium

45
Q

what happens with GnRH during puberty

A

pulsatile release at night

46
Q

function of GnRH during puberty

A

increases estrogen synthesis

47
Q

decreass in folliicles during menopause results in what

A

decline in estradiol and inhiin

48
Q

what does decline of estradiol and inhibin result in

A

loss of neg feeddback and elevated LH, RSH.

Physiology Exam IV (16 decks)

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