Wk3 Female Repro Histo

Question 1

Ovarian cortex layer immediately beneath germinal epithelium:

Answer 1

Tunica albuginia

Question 2

Embryological origin of primordial germ cells:

Answer 2

Yolk sac

Question 3

When does the first meiotic division of oocyte occur?

Answer 3

just prior to ovulation

Question 4

When does second meiotic division of oocyte occur?

Answer 4

at fertilization

Question 5

Follicular development summary…

Answer 5

slide 23

Question 6

5 phases of follicular development:

Answer 6

1. Primordial follicle
2. Unilaminar primary follicle
3. Multilaminar primay follicle
4. Secondary follicle (distinguished by presence of antrum)
5. Graafian follicle (antrum is now continuous)

Question 7

Single layer of flattened cells surrounding oocyte in primordial follicle:

Answer 7

Follicular cells

Question 8

location of FSH receptors:

Answer 8

Follicular cells

Question 9

Follicular cells become stratified columnar to form ________ in _________ follicles.

Answer 9

granulosa cells

primary follicles

Question 10

Gel like layer surrounding oocyte in primary follicles – eosinophillic

Answer 10

zona pellucida

Question 11

Forms just outside granulosa layer:

Answer 11

Theca interna

Question 12

Antrum formation signifies which follicles:

Answer 12

Secondary

Question 13

Produces androgens

Answer 13

Theca interna

Question 14

granulosa cells surrounding oocyte and zona pellucida:

Answer 14

corona radiata

Question 15

What signals final maturation of follicles:

Answer 15

LH –> first meiotic division, polar body formed

Question 16

What triggers ovulation:

Answer 16

LH surge

Question 17

Cells with LH receptors

Answer 17

Granulosa

theca

Question 18

Two roles of FSH in folliculogenesis:

Answer 18

1. stimulate granulosa cell growth and estrogen synthesis

2. (later) stimulates formation of LH receptors

Question 19

Two roles of LH in folliculogenesis:

Answer 19

1. stimulates thecal cell growth and androgen production

2. stimulates progesterone production in granulosa cells

Question 20

Where are androgens converted to estrogen?

Answer 20

Granulosa cells

Question 21

Temporary glandular structure from remnants of ruptured follicle after ovulation:

Answer 21

Corpus luteum

Question 22

What do granulosa cells become in Corpus lutem?

Answer 22

granulosa lutein cells

produce estrogen and progesterone

Question 23

What do theca interna cells become in Corpus luteum:

Answer 23

theca lutein cells

produce estrogen and progesterone

Question 24

If no fertilization, what does Corpus luteum become?

Answer 24

corpora albicans

Question 25

What maintains corpus luteum after fertilization?

Answer 25

HCG from trophoblast

Question 26

Estrogen produced primarily by:

Answer 26

growing follicle

Question 27

Progesterone produce primarily by:

Answer 27

corpus luteum

**post ovulatory levels are high

**inhibits uterine contractions

Question 28

Found in follicular fluid, negative feedback on FSH release:

Answer 28

Inhibin

Question 29

Zone of uterine endometrium NOT shed during ovulation:

Answer 29

basal layer

Question 30

read the rest of the ppt:

Answer 30

structure and menstrual cycle

**do histotime