23 Female Reproductive System

Question 1

When does oogenesis begin?

Answer 1

in utero

Question 2

About how many follicles are females born with?

Answer 2

1.5 million follicles

Question 3

How many fullicles remain at puberty?

Answer 3

400,000

Question 4

What is the progression of oogonium to ovum?

Answer 4

Oogonium > primary oocyte (in primordial follicle) > (puberty and development of secondary follicle) secondary oocyte with discarded polar body > (vesicular follicle develops and ruptures during ovulation) secondary ooctye fertilized > (meiosis II) ovum

Question 5

What are the phases of the ovarian cycle?

Answer 5

Follicular phase (1-13)-FSH LH stimulate follicle development
Ovulation (14)-LH surge stimulates expulsion of 2nd-ary oocyte
Luteal Phase (14-28)-follicle cells become corpus luteum releasing progesterone and estrogen to prep uterus for implantation

Question 6

What does corpus luteum become after luteal phase?

Answer 6

Corpus albicans

Question 7

What causes menstration?

Answer 7

Breakdown of corpus luteum to corpus albicans, ending hormone release.

Question 8

What type of tissue makes up the mucosa of the uterine tubes?

Answer 8

Ciliated simple columnar epithelium

Question 9

What is the latest an embryo can survive in an ectopic pregnancy?

Answer 9

week 8

Question 10

What are the layers of the Uterus?

Answer 10

Perimetrium (serosa)
Myometrium (muscularis w/ three smooth muscle layers)
Endometrium (mucosa w/ stratum basalis and stratum functionalis)

Question 11

What are the stages of the Menstrual cycle?

Answer 11

Days 1-5: menstrual phase–stratum functionalis shed as menses
Days 6-14: Proliferative phase–stratum functionalis reformed
Days 15-28: Secretory phase–stratum functionalis increases vascularization in prep for pregnancy.

Question 12

What percentage of women get breast cancer?

Answer 12

1 in 8