Embryologic derivatives (Pg. 581)

Question 1

Embryologic derivative - Epidermis

Answer 1

Surface Ectoderm

Question 2

Embryologic derivative - Adenohypophysis

Answer 2

Surface Ectoderm

Question 3

Embryologic derivative - Lens of eye

Answer 3

Surface Ectoderm

Question 4

Embryologic derivative - Epithelial linings of oral

cavity

Answer 4

Surface Ectoderm

Question 5

Embryologic derivative - Sensory organs of ear

parotid, sweat, mammary glands.

Answer 5

Surface Ectoderm

Question 6

Embryologic derivative - Olfactory epithelium

Answer 6

Surface Ectoderm

Question 7

Embryologic derivative - Anal canal below the pectinate line

Answer 7

Surface Ectoderm

Question 8

Embryologic derivative - Parotid, sweat, mammary glands.

Answer 8

Surface Ectoderm

Question 9

Embryologic derivative - Brain (neurohypophysis, CNS neurons, oligodendrocytes,
astrocytes, ependymal cells, pineal
gland)

Answer 9

Neural Tube

Question 10

Embryologic derivative - Retina.

Answer 10

Neural Tube

Question 11

Embryologic derivative - Spinal cord.

Answer 11

Neural Tube

Question 12

Embryologic derivative - PNS (dorsal root ganglia, cranial nerves,
autonomic ganglia, Schwann cells)

Answer 12

Neural Crest

Question 13

Embryologic derivative - Melanocytes

Answer 13

Neural Crest

Question 14

Embryologic derivative - Chromaffin cells of adrenal

medulla

Answer 14

Neural Crest

Question 15

Embryologic derivative - Parafollicular (C) cells of thyroid

Answer 15

Neural Crest

Question 16

Embryologic derivative - Pia and arachnoid

Answer 16

Neural Crest

Question 17

Embryologic derivative - Bones of the skull

Answer 17

Neural Crest

Question 18

Embryologic derivative - Odontoblasts

Answer 18

Neural Crest

Question 19

Embryologic derivative - Aorticopulmonary septum

Answer 19

Neural Crest

Question 20

Embryologic derivative - Endocardial cushions

Answer 20

Neural Crest

Question 21

Embryologic derivative - Myenteric (Auerbach)

plexus.

Answer 21

Neural Crest

Question 22

Embryologic derivative - Upper Vagina

Answer 22

Mesoderm

Question 23

Embryologic derivative - Kidneys

Answer 23

Mesoderm

Question 24

Embryologic derivative - Adrenal cortex

Answer 24

Mesoderm

Question 25

Embryologic derivative - Dermis

Answer 25

Mesoderm

Question 26

Embryologic derivative - Testes

Answer 26

Mesoderm

Question 27

Embryologic derivative - Ovaries

Answer 27

Mesoderm

Question 28

Embryologic derivative - Notochord

Answer 28

Mesoderm

Question 29

Embryologic derivative - Nucleus pulposus

Answer 29

Mesoderm (Notochord)

Question 30

Embryologic derivative - Lower Vagina

Answer 30

Endoderm –> Urogenital sinus