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First Aid 2018 USMLE Step 1 - Tables/Graphs/Equations/Mnemonics > Embryologic derivatives (Pg. 581) > Flashcards

Embryologic derivatives (Pg. 581) Flashcards

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USMLE® Step 1 flashcards
1
Q

Embryologic derivative - Epidermis

A

Surface Ectoderm

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2
Q

Embryologic derivative - Adenohypophysis

A

Surface Ectoderm

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3
Q

Embryologic derivative - Lens of eye

A

Surface Ectoderm

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4
Q

Embryologic derivative - Epithelial linings of oral

cavity

A

Surface Ectoderm

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5
Q

Embryologic derivative - Sensory organs of ear

parotid, sweat, mammary glands.

A

Surface Ectoderm

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6
Q

Embryologic derivative - Olfactory epithelium

A

Surface Ectoderm

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7
Q

Embryologic derivative - Anal canal below the pectinate line

A

Surface Ectoderm

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8
Q

Embryologic derivative - Parotid, sweat, mammary glands.

A

Surface Ectoderm

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9
Q

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

A

Neural Tube

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10
Q

Embryologic derivative - Retina.

A

Neural Tube

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11
Q

Embryologic derivative - Spinal cord.

A

Neural Tube

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12
Q

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

A

Neural Crest

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13
Q

Embryologic derivative - Melanocytes

A

Neural Crest

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14
Q

Embryologic derivative - Chromaffin cells of adrenal

medulla

A

Neural Crest

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15
Q

Embryologic derivative - Parafollicular (C) cells of thyroid

A

Neural Crest

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16
Q

Embryologic derivative - Pia and arachnoid

A

Neural Crest

17
Q

Embryologic derivative - Bones of the skull

A

Neural Crest

18
Q

Embryologic derivative - Odontoblasts

A

Neural Crest

19
Q

Embryologic derivative - Aorticopulmonary septum

A

Neural Crest

20
Q

Embryologic derivative - Endocardial cushions

A

Neural Crest

21
Q

Embryologic derivative - Myenteric (Auerbach)

plexus.

A

Neural Crest

22
Q

Embryologic derivative - Upper Vagina

A

Mesoderm

23
Q

Embryologic derivative - Kidneys

A

Mesoderm

24
Q

Embryologic derivative - Adrenal cortex

A

Mesoderm

25
Q

Embryologic derivative - Dermis

A

Mesoderm

26
Q

Embryologic derivative - Testes

A

Mesoderm

27
Q

Embryologic derivative - Ovaries

A

Mesoderm

28
Q

Embryologic derivative - Notochord

A

Mesoderm

29
Q

Embryologic derivative - Nucleus pulposus

A

Mesoderm (Notochord)

30
Q

Embryologic derivative - Lower Vagina

A

Endoderm –> Urogenital sinus

First Aid 2018 USMLE Step 1 - Tables/Graphs/Equations/Mnemonics (81 decks)

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