Embryology

Question 1

What germ layer does the epidermis, hair, and nails derive from?

Answer 1

Ectoderm

Question 2

What germ layer does the enamel of teeth derive from?

Answer 2

Ectoderm

Question 3

What germ layer does the parotid gland derive from?

Answer 3

Ectoderm

Question 4

What germ layer does the mammary glands derive from?

Answer 4

Ectoderm

Question 5

What germ layer do all the neurons from the CNS derive from?

Answer 5

Neuroectoderm

Question 6

What germ layer does the retina derive from?

Answer 6

Neuroectoderm

Question 7

What germ layer does the adrenal medulla derive from?

Answer 7

Neural crest

Question 8

What germ layer do all neural ganglia derive from?

Answer 8

Neural crest

Question 9

What germ layer do the pia and arachnoid mater derive from?

Answer 9

Neural crest

Question 10

What germ layer does the aorticopulmonary septum derive from?

Answer 10

Neural crest

Question 11

What germ layer do endocardium cushions derive from?

Answer 11

Neural crest

Question 12

What germ layer do muscles derive from?

Answer 12

Mesoderm

Question 13

What germ layer does the dermis of the skin derive from?

Answer 13

Mesoderm

Question 14

What germ layer does bone and cartilage derive from?

Answer 14

Mesoderm

Question 15

What germ layer does blood and lymph vessels derive from?

Answer 15

Mesoderm

Question 16

What germ layer does the heart derive from?

Answer 16

Mesoderm

Question 17

What layer does the adrenal cortex derive from?

Answer 17

Mesoderm

Question 18

What germ layer does the spleen derive from?

Answer 18

Mesoderm

Question 19

What germ layer does the kidney derive from?

Answer 19

Mesoderm

Question 20

What germ layer does the testes and ovaries derive from?

Answer 20

Mesoderm

Question 21

What germ layer does the dura mater derive from?

Answer 21

Mesoderm

Question 22

What germ layer for the epithelium of the GI tract derive from?

Answer 22

Endoderm

Question 23

What germ layer does the epithelium of respiratory derive from?

Answer 23

Endoderm

Question 24

What germ layer does the epithelium of the biliary apparatus derive from?

Answer 24

Endoderm

Question 25

What germ layer does the epithelium of the urinary bladder, urethra, and vagina derive from?

Answer 25

Endoderm

Question 26

What germ layer does the liver derive from?

Answer 26

Endoderm

Question 27

What germ layer does the pancreas derive from?

Answer 27

Endoderm

Question 28

What germ layer does the submandibular gland derive from?

Answer 28

Endoderm

Question 29

What germ layer does the sublingual gland derive from?

Answer 29

Endoderm

Question 30

What germ layer does the thyroid derive from?

Answer 30

Endoderm

Question 31

What germ layer does the parathyroid derive from?

Answer 31

Endoderm