Embryology Flashcards Preview

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Flashcards in Embryology Deck (20)
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1
Q

nervous system develops from

A

dorsal ectoderm

2
Q

what is the earliest indication of the nervous system?

A

neural plate

3
Q

the nerual tube becomes?

A

brain and spinal cord

4
Q

neural crest cells develop into:

A

sympathetics, meninges, schwann cells, melanocytes, branchial arches, adrenal medulla, DRGs, meissners, aurbachs plexus

5
Q

what is the mneumonic for neural crest cells

A

2x SM BAD MA

6
Q

Paraxial: skeletal muscle of trunk head and neck form from?

A

mesoderm

7
Q

adenohypophysis forms from

A

ectoderm

8
Q

epithelial lining of post 1/3 of tongue, floor of mouth ect. forms from

A

endoderm

9
Q

epithelial lining of GI tract forms from

A

endoderm

10
Q

epidermis forms from

A

ectoderm

11
Q

hepatocytes and lining of biliary tree forms from

A

endoderm

12
Q

all neurons of CNS forms from

A

ectoderm

13
Q

acinar cells, islet cells, pancratic duct forms from

A

endoderm

14
Q

intermediate: kidneys, testes, ovaries, genital ducts forms from

A

mesoderm

15
Q

lateral: skeletal muscles of the limb forms from

A

mesoderm

16
Q

neruohypophysis forms from

A

ectoderm

17
Q

what comes from pharyngeal pouch 1

A

epithial lining of auditory tube and middle ear

18
Q

what comes from pharyngeal pouch2

A

epithial lining of palatine crypts

19
Q

what comes from pharyngeal pouch 3

A

inf parathyroid gland and thymus

20
Q

what comes from pharyngeal pouch 4

A

superior parathyroid gland, parafollicular cells of thyroid