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Zoo Final > Menstrual Cycle > Flashcards

Menstrual Cycle Flashcards

0
Q

The uterine cycle (menstrual cycle) involves changes that are occurring in the:

A

Uterus

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1
Q

The female reproductive cycle includes the events that occur over an average ___-day time period as a result of the _________ & ________ cycles

A

28

Ovarian & Uterine

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2
Q

Days 1-5

A

Known as “menses” (menstrual bleeding)

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3
Q

First day of bleeding is

A

Day 1 of menstrual cycle

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4
Q

________ is associated with blood flow that results from the rupture of the endometrial capillaries and sloughing of the tissue.

A

Menses

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5
Q

Days 6-13

A

“Proliferative” phase - period of rapid growth of endometrium in preparation for implantation of embryo

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6
Q

Days 14-28

A

“Secretory” phase - endometrial glands enlarge and increase secretion, arteries grow into endometrium

Begins at ovulation

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7
Q

If there is implantation of a fertilized ovum, what will develop?

A

Placenta

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8
Q

If there is no implantation by day 28, what begins?

A

The breakdown of the endometrium

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9
Q

Ovarian cycle consists of what 2 phases?

A

Follicular & Luteal

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10
Q

Follicular and luteal phase involves changes that occur in the _____ over the 28-day reproductive cycle

A

Ovaries

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11
Q

The follicular or preovulatory phase extends from ________ to _________.

A

Menstruation (day 1)

Ovulation (day 14)

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12
Q

Follicular phase includes the development of the ______ and _______ and corresponds to menses/proliferative phase of uterine cycle.

A

Ovum & follicle

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13
Q

Events that occur during follicular phase: (3)

A

Activation of primordial or primary follicles then to a mature (graafian) follicle

Follicular cells enlarge and create granulosa cells around primary oocyte

Eggs develop within follicles from primary oocytes to secondary oocytes, which are ovulated

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14
Q

Which oocytes are ovulated: primary or secondary?

A

Secondary

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15
Q

What are granulosa cells?

A

Cell layers around primary oocyte

Secrete fluid and estradiol

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16
Q

When do you get all of your egg cells?

A

At birth

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17
Q

Ovulation occurs on day:

A

14

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18
Q

After ovulation, the ovum is viable for:

A

12-24 hours

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19
Q

The luteal or postovulatory phase extends from days 15-28, just after __________ to the onset of _________

A

Ovulation

Menstration

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20
Q

The luteal phase corresponds to the _________ phase of the uterine cycle

A

Secretory

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21
Q

Luteal phase involves the transformation of the ruptured:

A

Follicle

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22
Q

Events during luteal phase (3):

A

After releasing ovum, follicle becomes corpus luteum (yellow body)

Corpus luteum grows and secretes estradiol and progesterone (tenfold increase)

If no prego, corpus luteum shrinks (day 22) and becomes scar tissue of corpus albicans (white body) by day 26

23
Q

1

A

Ovary

24
Q

2 & 3

A

Developing oocytes and follicles

Developing vesicular follicle

Collectively the “follicular phase”

FSH

25
Q

4

A

Ovulation

LH

26
Q

5

A

Mature corpus luteum

27
Q

6

A

Fallopian tube

28
Q

7

A

Fallopian tube - longitudinal section

29
Q

8

A

Fimbriated end of fallopian tube

30
Q

9

A

Ovarian ligament

Connects to uterus

31
Q

10

A

Epoophoron or parovarium

Vestigial and non-functioning

32
Q

11

A

Mesosalpinx portion of broad ligament

33
Q

12

A

Broad ligament

34
Q

13

A

Ovum moving into fallopian tube 1 day after ovulation

35
Q

14

A

Ovum moving toward uterus 2 days after ovulation

36
Q

15

A

Ovum nearing uterus 3 days after ovulation

37
Q

16

A

Fertilized ovum within uterus 4-7 days after ovulation

38
Q

17

A

Fertilized ovum implanting in uterine lining after 7 days after ovulation

39
Q

18

A

Suspensory ligament of ovary

Ovarian artery/vein

40
Q

19

A

Corpus (body) of uterus

41
Q

20

A

Fundus of uterus

42
Q

21

A

Cervix or neck of uterus

43
Q

22

A

Interior wall of vagina

44
Q

23

A

Myometrium

Muscular wall of uterus

45
Q

24

A

Endometrium

Lining of uterus

46
Q

25

A

Menstruation of endometrium

47
Q

26

A

Sacro-uterine ligament

48
Q

A

A

Primary oocyte or ripening egg

49
Q

B

A

Oocyte with corona radiata

50
Q

C

A

Developing, fluid-filled vesicular follicle

51
Q

D

A

Mature ovum or gamete after rupture of follicle

52
Q

E

A

Ovulating follicle showing ruptured stigma

53
Q

F

A

Corpus luteum or “yellow body”

54
Q

G

A

Corpus albicans or “white body”

Zoo Final (13 decks)

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