Ch28-Uterine Cycle

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1

Uterine Cycle

cycle that prepares uterus for implantation

2

1-5

days of menstrual

3

6-14

days of proliferation

4

15-28

days of secretory phase

5

Menstrual phase

constriction of spiral arteries
shedding of endometrium

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Proliferation

rebuilding of endometrium, estrogen rises, production of progesterone receptors on ednometrial cells

7

Proliferation

ovulation triggered by LH spike is in what uterine cycle phase?

8

LH

what hormone triggers ovulation

9

Estrogen

what hormones is dominate of proliferation phase

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None

what hormone is dominate of menstrual phase

11

Progesteron

what hormone is dominate in secretory phase

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Secretory phase

endometrium prepares for implantantion

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Secretory phase

phase that progesterone affect endometrium by formation of cervical plug, inhibits LH secretion and secretets glycogen rich mucous

14

Glycogen rich mucous secreted, Cervical plugged, LH inhibit

how does progesterone (secretory phase) affect endometrium

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Corpus luteum

where does progesterone come from for the secretory phase?

16

endometrial

what cell produces progesterone in proliferative phase?

17

Developing follicles

wehre does the estrogen come from during the proliferative phase

18

ovulation

the process of releasing a mature ovum into the fallopian tube each month

19

spiral arteries

what constricts during the menstrual phase

20

LH

progesterone inhibin what hormone