Chapter 9-Embryology

Question 1

Urethra

Answer 1

Exit for semen and urine

Question 2

Testes

Answer 2

Where sperm produced

Question 3

Paturition

labor and delivery

Answer 3

1. Dilation- Oxtocin released

2. Expulsion- cervix dilated (10cm) 3. Afterbirth- Placenta delivered

Question 4

Uterus

Answer 4

Organ where baby grows, develops

Question 5

Cervix

Answer 5

Lower portion of uterus

Question 6

Zygote

Answer 6

Fertilized egg

Question 8

Endometrium

Answer 8

Inner layer of uterus

Question 9

Menstruation

Answer 9

Shedding lining of uterus

Question 10

Epididymis

Answer 10

Where mature sperm stored

Question 11

Ovaries

Answer 11

Where ova produced

Question 12

3 Germ layers

Answer 12

Endoderm-Inner layer (digestive tract)
Mesoderm-Middle layer (muscles, skeleton)
Ectoderm-Outer layer (skin)

Question 13

Fallopian tubes

Answer 13

Passageway for egg, fertilization takes place

Question 15

Vas Deferens

Answer 15

Passageway for sperm

Question 16

Cleavage

Answer 16

Series of cell divisions (mitosis)

Question 17

Acrosome

Answer 17

Head of sperm, releases enzymes to digest jelly layer

Question 17

Morula

Answer 17

Solid ball of cells

Question 17

Blastula

Answer 17

Hollow ball of cells, implants in uterus

Question 20

Fertilization

Answer 20

Fusion of sperm and ova to form zygote

Question 20

Vagina

Answer 20

Birth canal

Question 21

Placenta

Answer 21

Provides oxygen, nutrients, forms between 9-12 weeks

Question 22

Implantation

Answer 22

Blasta burries into lining of uterus

Question 22

HCG

Answer 22

Hormone, measured in pregnancy tests

Question 24

Gastrulation

Answer 24

Forms gastula, cells migrate, differentiate, organs become 3 germ layers

Question 24

Gestation

Answer 24

Time it takes for growth/development (9 months)