oogenesis

Question 1

Gametogenesis in females is called

Answer 1

OOGENESIS

Question 2

process begins with the ovarian stem cells or

Answer 2

oogonia

Question 3

Oogonia are formed during fetal development, and divide via ______.

Answer 3

mitosis

Question 4

Oogonia produces _______ in the fetal ovary when?

Answer 4

PRIMARY OOCYTES, PRIOR TO BIRTH

Question 5

These primary oocytes are then ARRESTED in this stage

Answer 5

meiosis I

Question 6

RESUMES AT PUBERTY until the woman is NEAR MENOPAUSE

Answer 6

Meiosis-I

Question 7

After Meiosis-I, how many cells are produced?

Answer 7

two

Question 8

what are the two cells produced AFTER MEIOSIS 1?

Answer 8

Secondary oocyte
first polar body

Question 9

t/f

MEIOSIS 1 results in two identical cells.

Answer 9

t

MEIOSIS 1 does not results in two identical cells.

Question 10

the ______ is divided UNEQUALLY, and one _____ is much LARGER than the other.

Answer 10

cytoplasm, daughter cell,

Question 11

what cell eventually leaves the ovary during ovulation

Answer 11

larger cell (the secondary oocyte)

Question 12

If FERTILIZATION OCCURS, then ______ of a secondary oocyte is completed

Answer 12

Meiosis

Question 13

________ then resumes, producing ______ that is fertilized by a (haploid) sperm and produces diploid
(two cell) zygote.

Answer 13

Meiosis II, one haploid ovum

Question 14

If FERTILIZATION DOES NOT OCCUR, the secondary oocyte _______ the 2nd meiotic division, and ________ after ovulation.

Answer 14

fails to complete, degenerates in about 24 hours

Question 15

Phases of Follicular development

Answer 15

Primordial follicle
primary follicle
secondary follicle
tertiary follicle
ovulating follicle
corpus luteum

Question 16

Each primary oocyte is surrounded by follicular cells and is called

Answer 16

Primordial follicle

Question 17

AT PUBERTY, the primordial follicle STARTS GROWING under influence of FSH and LH and develops into

Answer 17

primary follicle

Question 18

As the primary follicle grows, the follicular cells surrounding the primary oocyte start growing, and NEWLY GROWING CELLS are called

Answer 18

granulosa cells.

Question 19

The _________ starts developing
between the granulosa cell and primary
oocyte;

that layer is called ______.

Answer 19

glycoprotein layer, zona pellucida

Question 20

As the follicle grows, the ______ are developed

Answer 20

theca cells

Question 21

also called THECA EXTERNA and ENCIRCLES the granulosa cells

Answer 21

theca cells

Question 22

granulosa cells start secreting ________ which develop the CAVITY called _______

Answer 22

FOLLICULAR FLUID, antrum.

Question 23

When the ANTRUM IS DEVELOPED in the follicle that is termed as _____

Answer 23

secondary follicle

Question 24

Theca cells work with the granulosa cells to
produce______ .

Answer 24

estrogens

Question 25

Follicles in which the ANTRUM HAS BECOME LARGE AND FULLY FORMED are considered

Answer 25

tertiary follicles

Question 26

Once the FOLLICLE IS MATURE, it _____ and
_____ the oocyte. Cells remaining in the
follicle then develop into ________

Answer 26

ruptures, releases, the corpus luteum.