Female Reproduce System

Question 1

What does estrogen do? Where does it come from?

Answer 1

Excreted from ovaries. A steroid hormone (like testosterone)

Question 2

What is oogenesis?

Answer 2

The formation of female gametes

Question 3

What is the corona radiata?

Answer 3

The outermost layer of an ovum (egg). Has follicle cells which assist in nourishing the egg cells.

Question 4

What is the zona pellucida?

Answer 4

Second layer of the ovum. Thick coat of glycoprotein that prevents other species from fertilizing the egg. Prevents more than one sperm cell from fertilizing the egg.

Question 5

What are the stages of the egg?

Answer 5

Zygote, two cell, four cell, morula, blastula, gastrula

Question 6

What are the three layers of the grastula?

Answer 6

Ectoderm, endoderm, mesoderm. (In, mid, out)

Question 7

What liquid does the blastula have?

Answer 7

Blastocoel

Question 8

What day is the egg usually released?

Answer 8

14

Question 9

What is FSH?

Answer 9

Follicle stimulating hormone. Assist with the follicular growth and maturity of ovum.

Question 10

What is LH?

Answer 10

Luteinizing hormone. Assist with the production of the corpus luteum

Question 11

What is the corpus luteum?

Answer 11

Secretes progesterone. Makes the uterus healthy for a developing fetus.

Question 12

What is progesterone?

Answer 12

Thickens the uterine lining. Prepare the body for pregnancy.

Question 13

What is gestation?

Answer 13

Pregnancy

Question 14

What is organogenesis?

Answer 14

The formation of organs

Question 15

What’s is IV fertilization?

Answer 15

In vitro fertilization. Eggs are put in a lab to be fertilized by sperm cells. This helps people with infertility. However, there can be more than one fetus.

Question 16

Where do eggs usually get fertilized?

Answer 16

The Fallopian tube

Question 17

What does the placenta do?

Answer 17

Transfers nutrients and oxygen from the mother’s blood into the blood of the fetus. Through diffusion.

Question 18

When do follicles mature?

Answer 18

Puberty

Question 19

What are the three stages of ovulation?

Answer 19

Follicular stage, ovulation, luteal

Question 20

What happens in the follicular stage?

Answer 20

LH and FSH stimulate follicles to grow. Follicles will produce estrogen. This causes menstruation to happen.

Question 21

What happens in the ovulation stage?

Answer 21

LH and FSH stimulate maturation of a follicle. The endometrium thickens.

Question 22

What happens in the luteal phase?

Answer 22

LH stimulates the formation of a corpus luteum from follicular tissue after ovulation occurs. The corpus luteum secretes estrogen and progesterone.