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Flashcards in Ovulation Deck (30)
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1

Follicular development is induced by the rise of what hormone?

FSH

2

The FSH induced follicular development is responsible for which process in the ovarian cycle?

Selection Window

3

What are the 4 types of ovarian follicles (in order of maturity)

Primordial --> Primary (Unilaminar-->Multilaminar) --> Secondary/Antral --> Graffian Follicle

4

In the Ovarian Cycle, this phase is marked by an estrogen-induced LH surge

Ovulation

5

What hormone is increased in the proliferative phase in the endometrial cycle?

Estradiol

6

Where is rhe site of FSH receptor expression?

Granulosa cells

7

The primary oocyte in the primary follicle is arrested at what phase?

A. Mitosis
B. Meiosis I
C. Prophase
D. Meiosis II

B. (Prophase I meiosis I)

8

What is the counterpart of menstrual period in the ovarian cycle?

Follicular Phase

9

In the secretory phase, what hormone starts to increase? This is secreted by the?

Progesterone- Corpus Luteun

10

The oocyte is on what stage during ovulation?

Secondary oocyte

11

What are the 3 stages in implantation?

Apposition
Adhesion
Invasion

12

In this stage, the blastocyst starts to adhere to the uterine wall

Apposition

13

The implantation takes how many days after fertilization?

6-7 days

14

What is the primary source of progesterone during the first few days in pregnancy? What structure secretes it

HCG-syncitiotrophoblast

15

What is the extraembryonic fetal membrane?

Chorion laeve

16

What hormone is responsible for the maintainance o amniotic fluid volume?

Decidual Prolactin

17

This attenuates the rate of decidual prolactin secretion

Arachidonic Acid

18

What hormones are responsible for the follocular dev't? (growth factors)

GDF9 BMP-15

19

The antrum is filled with what fluid? The initial appearance of antrum is on what follicular stage

Liquor folliculi / Secondary Follicle

20

The Graafian Follicle contains what kind of oocyte? It is arrested at what stage in Meiosis?

Secondary oocyte / Metaphase II

21

What happens when the estrogen secretion is uncontrolled by progesterone?

Irregular menses ( si jonella at sheng ) hindi nyo naman mababasa kasi di kayo magbbrainscape. HE100x

22

What hormones are decreased during the pre-ovulatory period?

Estradiol and estrogen

23

What phase has a fixed amount of time? This is the basis of natural family planning

Luteal Phase (12-14days)

24

Menstruation typically last for how many days?

4-7 days

25

What layer in te endometrium is sloughed off during menses?

Stratum functionale

26

What is the counterpart of proliferative phase in the ovarian cycle?

Follicular Phase

27

What important event in the endometrium occurs after/during the 5th day of menses?

Revasculariation

28

What hormone, which is produced in the hypothalamus, is responsible for release of both LH and FSH and initiates the menstrual cycle?

GnRH

29

This hormone is responsible for the steroidogenesis in the ovarian follicle and corpus luteum

FSH

30

Which among the hormones maintain pregnancy?

Progesterone