Repro 4 Flashcards

1
Q

3 layers of the uterus

A

perimetrium, myometrium, and endometrium

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2
Q

fimbriae

A

ensure eggs released from the ovary enter fallopian tube

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3
Q

Fallopian tubes contain two layers of ________________ and is lined with ______ to moved eggs to uterus.

A

smooth muscle, cilia

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4
Q

T/F: the fallopian tubes are attached to ovaries

A

False; they are not physically attached, but are in very close proximity

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5
Q

ovary

A

produces eggs and hormones

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6
Q

2 components of ovaries

A
  • thick outer cortex

- small central medulla (stroma)

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7
Q

Phases of the ovarial cycle

A

-follicular phase, ovulation, luteal phase

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8
Q

follicular phase

A

marked by follicular grown, 10 days to 3 weeks

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9
Q

ovulation

A

once one or more follicles have ripened, the ovary releases oocyte(s)

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10
Q

luteal phase

A

ruptured follicle transforms to corpus luteum

-secretes hormones, ceases to function after 2 weeks

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11
Q

How does a secondary follicle become tertiary?

A

development of an antrum

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12
Q

All follicles contain a primary oocyte until..

A

16-24 hours before ovulation

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13
Q

Phases of the uterine cycle

A

menses, proliferative phase, secretory phase

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14
Q

menses

A

beginning of follicular phase in ovary corresponds with menstrual bleeding from the uterus

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15
Q

proliferative phase

A

latter part of follicular phase, uterus adds new cells to endometrium layer in anticipation of pregnancy

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16
Q

secretory phase

A

after ovulation hormones from corpus luteum convert thickened endometrium into a secretory structure

17
Q

During follicular phase, which hormone is dominant?

A

estrogen

18
Q

During the luteal phase, which hormone is dominant?

A

progesterone

19
Q

AMH prevents…

A

more follicle from developing

20
Q

estrogen causes…

A

endometrium proliferation

21
Q

Thecals cells produce ________ which diffuse into granulose cells

A

androgens

22
Q

Androgens converted to _________ in granulosa cells

A

estrogens

23
Q

Ovulation occurs…

A

16-24 hours after LH peak

24
Q

LH is necessary for…

A

oocyte maturation

25
Q

maure follicle secretes..

A

prostaglandins and proteolytic enzymes

26
Q

proteolytic enzymes

A

breakdown collagen and connective tissue holding follicle together

27
Q

prostaglandins

A

may contribute to rupture of follicle and/or ovary wall

28
Q

Secondary oocyte is swept into fallopian tube by…

A

fimbriae

29
Q

During early to mid-luteal phase, combined estrogen and progesterone…

A

shutoff FSH and LH

30
Q

During late luteal phase, estrogen and progesterone…… Gonadotropins start……

A
  • fall when corpus luteum dies

- follucular development for a new cycle