Unit 3

Question 1

Process of cocyte formation

Answer 1

o0genesis

Question 2

Goal of oogenesis

Answer 2

Produce egg w/ massive amount of cytoplasm

Question 3

His the release of mature egg from the ovary

Answer 3

Ovulation

Question 4

Primordial germ cells (PGCs) from yolk
sac endoderm migrate to and colonize
the genital ridge (developing ovary)
Then PGCs differentiate to oogonia
Then - Diploid oogonia undergo mitosis prior
to or shortly after parturition

Answer 4

Embryogenesis

Question 5

Oogonia are called – when they undergo meiosis

Answer 5

Primary oocytes

Question 6

At birth, all oocytes are arrested in -_ until –

Answer 6

Prophase of meiosis I

Ovulation.

Question 7

Selected follicles grow in size and develop larger antral spaces at….

Answer 7

Sexual maturity

Question 8

2 bodies of primary oocyte

Answer 8

Secondary oocyte and 1st polar body

Question 9

Chromosome number is reduced from diploid to haploid in

Answer 9

Folliculogenesis

Question 10

Meiosis I is completed after ovulation in what animal

Answer 10

Horse, dog

Question 11

After ovulation, meiosis ii in secondary oocystes halts at – until fertilization

Answer 11

Metaphase Il

Question 12

In fetus,- begins

Answer 12

Meiosis I

Question 13

Donny childhood, –’ are inactive

Answer 13

Primary

Question 14

During puberty – divide

Answer 14

primary oocytes

Question 15

During fertilization, sperm enters –

Answer 15

Secondary oocyte

Question 16

Consists of a primary oocyte and a
single layer of flattened follicular cells

Answer 16

Primordial follicle

Question 17

Consists of a primary oocyte with a single layer
of cuboidal/columnar follicular cells

Answer 17

Primary follicle

Question 18

-Consists of several layers of cuboidal/columnar follicular
cells, (membrana granulosa) which begin to secrete follicular fluid
-Secondary-vesicular follicle: presence of pockets of follicular fluid within the membrana granulosa

Answer 18

Secondary follicle

Question 19

Death of a follicle at any stage in its development

Answer 19

Follicular atresia

Question 20

• A ruptured graafian follicle containing
  a blood clot that is absorbed as the cells
  lining the follicle form the corpus luteum

Answer 20

Corpus haemorarghicum

Question 21

Yellow endocrine body formed at the site of
a ruptured ovarian follicle immediately after
ovulation

Answer 21

Corpus luteum

Question 22

White fibrous scar tissue formed after the
involution anc
regression of the corpus
luteum

Answer 22

Corpus albicans

Question 23

Yellow endocrine body formed at the site of
a ruptured ovarian follicle immediately after,
ovulation

Answer 23

Corpus luteum

Question 24

Glycoprotein membrane surrounding the
plasma membrane of an oocyte

Answer 24

Zona pellucida

Question 25

Cuboidal cells that form a barrier around developing oocyte follicles within the ovary

Answer 25

Granulosa cells

Question 26

granulosa cell layer adjacent to zona pellucida - Innermost layer of cumulus oophorus Supply vital proteins to the oocyte

Answer 26

Corona radiata

Question 27

-Cluster of cells around the oocyte Coordinates with follicular development and oocyte maturation - Penetrated by spermatozoa during fertilization

Answer 27

Cumulus oophorus

Question 28

Formed in growing secondary follicle

Answer 28

Theca cells

Question 29

Part of a follicle that provides structural support

Answer 29

Theca cells

Question 30

Part of a follicle that produce androgens in the presence of lh w/ are converted to E2 by Fsh

Answer 30

Theca cell,

Question 31

Becomes small lutein cells and produce P4 after ovulation in CL

Answer 31

Theca cell

Question 32

Highly selective process Few follicle attain dominant status, the rest undergo atresia

Answer 32

Ovarian folliculogenesis

Question 33

Have 2 or 3 sequential waves of follicular development

Answer 33

Cow

Question 34

What animal Waves of follicular growth & estradiol production occur q10days during the breeding season

Answer 34

Mare

Question 35

In mare, Cl regresses around day

Answer 35

14-17

Question 36

In what animal is follicles continuously grow during the estrous cycle

Answer 36

Sow

Question 37

There is no appearance of dominant follicles in what animal

Answer 37

Sow

Question 38

In sow, significant growth of selected follicle our on days - of estrus cycle

Answer 38

14-17

Question 39

Type of follicle that have much higher levels of estradió in follicular fluid

Answer 39

Dominant follicle

Question 40

GranuIosa calls of dominant follicle produces more

Answer 40

Estradiol

Question 41

In ovulation, Fsh stimulates --- to start again in preovulatory oocyte

Question 42

--- surge causes increase in follicular fluid: follicle swells and makes granulosa cells convert to progesterone production

Answer 42

Lh

Question 43

Thecal layers become -- in ovulation

Answer 43

Edematous

Question 44

What happens in granulosa calls during ovulation?

Answer 44

Dissociate

Question 45

As follicle increases in size, estradiol level

Answer 45

Increases

Question 46

In the absence of progesterone what will happen?

Answer 46

Estradiol level increases and causes lh surge then leads to ovulation

Question 47

Induced ovulator animals

Answer 47

Rabbit, cat, camel

Question 48

Lh surge induced by

Answer 48

Intromission

Question 49

Example of spontaneous ovulator

Answer 49

Farm animals and humans