Embryologic derivatives

Question 1

Adenohypophysis

Answer 1

surface ectoderm

Question 2

Neurohypophysis

Answer 2

neuroectoderm

Question 3

Epithelial linings of oral cavity, sensory organs of ear, and olfactory epithelial

Answer 3

surface ectoderm

Question 4

anal canal below pectinate line

Answer 4

surface ectoderm

Question 5

anal canal above pectinate line

Answer 5

endoderm

Question 6

parotid, sweat, and mammary glands

Answer 6

surface ectoderm

Question 7

oligodendrocytes

Answer 7

neuroectoderm

Question 8

Schwann cells

Answer 8

neural crest

Question 9

brain in general

Answer 9

neuroectoderm

Question 10

retina and optic nerve

Answer 10

neuroectoderm

Question 11

spinal cord

Answer 11

neuroectoderm

Question 12

melanocytes

Answer 12

neural crest

Question 13

chromatin cells of adrenal medulla

Answer 13

neural crest

Question 14

thyroid follicular cells

Answer 14

endoderm

Question 15

thyroid parafollicular ( C ) cells

Answer 15

neural crest

Question 16

aorticopulmonary septum

Answer 16

neural crest

Question 17

PNS in general

Answer 17

neural crest

Question 18

gut tube epithelium

Answer 18

endoderm

Question 19

most of urethra

Answer 19

endoderm

Question 20

muscle, bone, connective tissue

Answer 20

mesoderm

Question 21

spleen

Answer 21

mesoderm

Question 22

CV structures

Answer 22

mesoderm

Question 23

luminal epithelial derivatives (lungs, liver, gallbladder, pancreas, thymus, parathyroid)

Answer 23

endoderm

Question 24

wall of gut tube, vagina, kidneys, testes, ovaries

Answer 24

mesoderm

Question 25

dermis

Answer 25

mesoderm

Question 26

adrenal cortex

Answer 26

mesoderm