Ovary

Question 1

what makes an individual develop into male or female?

Answer 1

Chromosomes

Question 2

What are some differences between male and female tract differentiation?

Answer 2

Hormones - blood brain barrier

Question 3

Are congenital defects inherited?

Answer 3

Some are some are not

Question 4

XX =

Answer 4

female

Question 5

XY=

Answer 5

male

Question 6

Describe bird chromosome fertlization

Answer 6

females ZW
males ZZ

Question 7

Where do primordial germ cells start?

Answer 7

Yolk sac then migrate to hindgut

Question 8

The _______________ is the undifferentiated gonads

Answer 8

Genital ridge

Question 9

T/F primordial cells that dont migrate to the genital ridge stay intact

Answer 9

False, they degenerate

Question 10

What causes te genital ridge to expand and push towards mesonephros?

Answer 10

Proliferation of primordial germ cells

Question 11

What is the main kidney type in aquatic vertebrates?

Answer 11

Mesonephros

Question 12

At which point is the metanephros functional?

Answer 12

At 35% gestattion

Question 13

Which duct remains in the female tract?

Answer 13

Paramesonephric ducts

Question 14

In the male, the epididymis arises from the _____________________

Answer 14

Mesonephric duct

Question 15

In the male, does the paramesonephric ducts regress or remain?

Answer 15

Regreses due to T and DHT

Question 16

In the female, which duct regresses in development?

Answer 16

Mesonephric duct

Question 17

In XY chromosomes, what gene is present that allows for male differentiation?

Answer 17

SRY gene

Question 18

What part of the embryo becomes the prostate?

Answer 18

Urogenital Sinus

Question 19

The genital tubercle becomes the ______________

Answer 19

penis

Question 20

The scrotum develops from the?

Answer 20

Genital Swellings

Question 21

How does feminization of the brain occur?

Answer 21

alpha-fetoprotein binding to estradiol

Question 22

T/F T binds to alpha fetoprotein

Answer 22

false

Question 23

List the 3 barriers of the uterus

Answer 23

• vulva
• vestibulovaginal junction
• cervix

Question 24

What are the hormones associated with ovulation and the follicles?

Answer 24

Estrogen, Inhibin, Activin

Question 25

The CL secretes _____________

Answer 25

P4

Question 26

What covers the tunica albuginea of the ovary?

Answer 26

Germinal epithelium (single cuboidal)

Question 27

What resides in the cortex of the ovary?

Answer 27

- oocytes - CL - CA

Question 28

What is palpable in the mare ovary?

Answer 28

Follicles

Question 29

List primary ovarian structures

Answer 29

- primordial - primary - secondary - antral - CL - CA

Question 30

t/F primary follicles divide

Answer 30

false, after puberty they are set number

Question 31

What structure can be found in the secondary follicle?

Answer 31

zona pellucida

Question 32

If dominant, how is the antral follicle termed?

Answer 32

Graafian

Question 33

list the layers of the antral follicle

Answer 33

- Theca interna - Theca externa - Granulosa

Question 34

Which layer of the antral follicle has the FSH receptors?

Answer 34

Granulosa layer

Question 35

Which antral layer has LH receptors ?

Answer 35

Theca interna

Question 36

What is the precursor to the CL?

Answer 36

C. Hemorrhagicum

Question 37

What are the 2 types of ovulation?

Answer 37

Spontaneous and Induced

Question 38

List the stages of the estrous cycle

Answer 38

- proestrus - estrus - metestrus - diestrus

Question 39

What are the phases of the estrous cycle?

Answer 39

Follicular and luteal