Female Reproductive Flashcards

1
Q

functions of the ovary

A

produces ovum and secretes hormones

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2
Q

ovarian hormones

A

estrogen, progesterone, testosterone, anti-mullerian hormone (AMH), inhibin A and inhibin B

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3
Q

primordial follicles contain ____

A

immature ovum

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4
Q

3 naturally occurring estrogens

A

estrone, 17beta estradiol, estriol

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5
Q

key enzyme that is a target for breast cancer treatment

A

aromatase

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6
Q

aromatase converts testosterone to _____

A

estradiol

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7
Q

aromatase converts androstenedione to ___

A

estrone

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8
Q

estrogens are deactivated in the __

A

liver

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9
Q

site of production of estrogens

A

ovarian follicles, corpus luteum, placenta during pregnancy, adrenal cortex, fat/liver/muscle/brain (aromatase), testis

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10
Q

main effects of estrogen

A

develop female sex organs, maintain secondary sexual character

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11
Q

mechanism of action of estrogens

A

nuclear estrogen receptors

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12
Q

effects of estrogen on the ovary

A

stimulates maturation of the ovaries, stimulates start of menstrual cycle

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13
Q

effects of estrogen on the uterus

A

stimulates maturation of the uterus, helps prepare to nourish a fetus

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14
Q

effects of estrogen on the breast

A

development of breasts at puberty, prepares glands for future milk production

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15
Q

site of production of progesterone

A

corpus luteum, placenta, follicle, testes, adrenal cortex

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16
Q

site of deactivation of progesterone

17
Q

cholesterol —> ______ —> progesterone

A

pregnenolone

18
Q

mechanism of action of progesterone

A

nuclear progesterone receptor

19
Q

principal effects of progesterone

A

stimulates mammary development in puberty and pregnancy, prepares uterus for pregnancy. also: feedback effects on hypothalamus and pituitary, inhibits LH secretion and prevents ovulation (contraceptive pill)

20
Q

____ causes proliferation of mammary ducts

21
Q

____ causes development of the lobules

A

progesterone

22
Q

____ stimulates the mammary glands to produce milk

23
Q

___ causes milk ejection

24
Q

_____ is the precursor for estrogens, combined with estrogens it helps with growth, maintenance, and bone mass

A

testosterone

25
anti-mullerian hormone (AMH) is a _____ hormone
glycoprotein
26
AMH is a product of the ____ cells of the developing and preantral follicles
granulosa cells
27
AMH is a biomarker for ____ and ____
ovarian reserve (quality and quantity of eggs), ovarian dysfunction (PCOS)
28
inhibin is a ____
protein hormone (dimer)
29
inhibin is produced from _____
granulosa cells of the ovarian follicles
30
___ stimulates inhibin secretion
FSH
31
inhibin suppresses ___ secretion
FSH
32
estrogen and progesterone have ____ feedback on the hypothalamus and anterior pituitary on days 12-14 of cycle
positive
33
estrogen and progesterone have ____ feedback on the hypothalamus and anterior pituitary for most of the cycle
negative
34
combined oral contraceptive pill has a synthetic ___ and synthetic ____
estrogen, progestogen
35
the synthetic estrogen is usually _____
ethinyl estradiol
36
the synthetic progestogen is usually ___
progestin
37
mechanisms of combined oral contraceptive pills
feedback inhibition of GnRH, FSH, LH. inhibition of follicular development, inhibition of ovulation
38
____ is an estrogen receptor antagonist used for ER+ breast cancer in pre or postmenopausal women
tamoxifen
39
_____ is an aromatase inhibitor that decreases estrogen synthesis for ER+ breast cancer in postmenopausal women only
anastrazole