Da lady bits Flashcards

1
Q

What is the germinal epithelium

A

covers surface of ovary

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2
Q

What is the ovarian cortex

A

Ovarian follicles and stormal cells

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3
Q

What is the ovarian medulla

A

blood vessels, lymph, nerves

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4
Q

When do you start to form the egg cells in the ovary

A

prenatal

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5
Q

What do the ovarian follicles do

A

Secrete estrogens

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6
Q

What does the corpus lutem do

A

Produces progesterones, inhibins, estrogen, and relaxin

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7
Q

What is the earliest stage of follicular development

A

primordial follicle

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8
Q

What happens when the primordial follicles develop into primary follicles

A

Primary oocyte surrounded by granulosa cells
Zona pellucida forms
Stromal cells organize into thecal layer

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9
Q

What happens when primary follicles develop into secondary

A

granulosa cells excrete follicular fluid

Theca splits into theca interna and externa

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10
Q

What does LH act on

A

thecal cells

Cells produce testosterone from cholesterol

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11
Q

What does FSH act on

A

Granulosa cells

Takes testosterone and converts it to estradiol

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12
Q

What does estrogen normally do to LH and GnRH levels

A

Inhibit

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13
Q

What happens when estrogen levels rise during ovulation

A

estrogen becomes stimulatory to LH and GnRH

Leads to LH surge

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14
Q

What is the corpus luteum

A

If oocyte is not fertilized, corpus luteum is transitory

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15
Q

What does the corpus luteum become if the oocyte is not fertilized

A

Corpus albicans

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16
Q

What happens to hormone levels if oocyte is not fertilized

A

GnRH, FSH, LH rise due to loss of negative feedback

17
Q

What does GnRH do

A

Secreted by hypothalmus

Regulate LH and FSH

18
Q

What does FSH do

A

Initiate follicular growht

Stimulate ovarian follicles to secrete estrogens

19
Q

What does LH do

A

Stimulate: further development of ovarian follicles-secretion of estrogen
Trigger ovulation
Formation of corpus luteum

20
Q

What does estrogens do

A

maintenance of repro structures
inhibits GnRH, LH, FSH
Bone builiding

21
Q

What does progesterone do

A

secreted by corpus luteum
prepare and maintain milk production
Inhibits actions of estrogen
Inhibits secretion of GnRH and LH

22
Q

What do uterine tubes do

A

Provide route for sperm

Target for hormones

23
Q

What does estrogen do to oviduct

A

Influence cilia* beat

24
Q

What does estrogen do to the uterus

A

stimulates epithelial proliferation

25
Q

What does progesterone do to the uterus

A

Inhibits estrogen-stimulated epithelial proliferation

Stimulates glandular secretion

26
Q

What hormones influence mammary gland fucntion

A

Prolactin

Oxytocin

27
Q

Where is relaxin produced

A

Corpus luteum

28
Q

What does relaxin do

A

Relax uterus- inhibits contraction of myometrium

29
Q

Where is inhibin secreted from

A

granulosa cells of growing follicles and corpus luteum

30
Q

What does inhibin do

A

Inhibits secretion of FSH and LH

31
Q

What does oxytocin do during birth

A

cause myometrial contraction
shoots out da baby
short-half life

32
Q

What do ovaries produce

A

Gametes

Hormones