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STEP Rapid Review > Embryologic Derivatives > Flashcards

Embryologic Derivatives Flashcards

1
Q

Muscle

A

Mesoderm

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2
Q

Gallbladder

A

Endoderm (luminal epithelial derivative)

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3
Q

Dermis

A

Mesoderm

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4
Q

Neurohypophysis

A

Neuroectoderm

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5
Q

Retina

A

Neuroectoderm

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6
Q

Schwann cells

A

Neural crest

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7
Q

Bone

A

Mesoderm

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8
Q

Most of urethra

A

Endoderm (derived from urogenital sinus)

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9
Q

Lungs

A

Endoderm (luminal epithelial derivative)

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10
Q

Dorsal root ganglia

A

Neural crest

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11
Q

Lens of eye

A

Surface ectoderm

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12
Q

Thyroid follicular cells

A

Endoderm (luminal epithelial derivative)

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13
Q

Melanocytes

A

Neural crest

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14
Q

Anal canal below pectinate line

A

Surface ectoderm

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15
Q

Oligodendrocytes

A

Neuroectoderm

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16
Q

Cardiovascular structures

A

Mesoderm

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17
Q

Nucleus pulposus of intervertebral disc

A

Notochord - from MESODERM. Induces ectoderm to form neuroectoderm (neural plate)

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18
Q

Ovaries

A

Mesoderm

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19
Q

Eustachian tube

A

Endoderm (luminal epithelial derivative)

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20
Q

Parotid gland

A

Surface ectoderm

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21
Q

Spinal cord

A

Neural ectoderm

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22
Q

Vagina

A

Mesoderm

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23
Q

Epidermis

A

Surface ectoderm

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24
Q

Serous linings of body cavities (like peritoneum)

A

Mesoderm

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25
Q

Sensory organs of ear

A

Surface ectoderm

26
Q

Odontoblasts

A

Neural crest

27
Q

Aorticopulmonary septum

A

Neural crest

28
Q

Bones of the skull

A

Neural crest

29
Q

Mammary glands

A

Surface ectoderm

30
Q

Connective tissue

A

Mesoderm

31
Q

Gut tube epithelium (including anal canal above pectinate line)

A

Endoderm

32
Q

Astrocytes

A

Neuroectoderm

33
Q

Rathke pouch/adenohypophysis

A

Surface ectoderm

34
Q

Adrenal cortex

A

Mesoderm

35
Q

Epithelial linings of oral cavity

A

Surface ectoderm

36
Q

Celiac ganglion

A

Neural crest

37
Q

Chromaffin cells of adrenal medulla

A

Neural crest

38
Q

Lymphatics

A

Mesoderm

39
Q

Blood

A

Mesoderm

40
Q

Pancreas

A

Endoderm (luminal epithelial derivative)

41
Q

Olfactory epithelium

A

Surface ectoderm

42
Q

Parafollicular cells of thyroid

A

Neural crest

43
Q

Epndymal cells

A

Neuroectoderm

44
Q

Spleen

A

Mesoderm (derived from foregut mesentery)

45
Q

when the fuck are we ever remotely going to have to know this shit?

A

fucking never

46
Q

Liver

A

Endoderm (luminal epithelial derivative)

47
Q

Optic nerve

A

Neuroectoderm

48
Q

Pia and arachnoid

A

Neural crest

49
Q

Parathyroid

A

Endoderm (luminal epithelial derivative)

50
Q

Liver

A

Endoderm (luminal epithelial derivative)

51
Q

Wall of gut tube

A

Mesoderm

52
Q

ANS

A

Neural crest

53
Q

Sweat glands

A

Surface ectoderm

54
Q

CNS in general

A

Neuroectoderm

55
Q

PNS in general

A

Neural crest

56
Q

Cranial nerves

A

Neural crest

57
Q

Testes

A

Mesoderm

58
Q

Thymus

A

Endoderm

59
Q

Pineal gland

A

Neuroectoderm

60
Q

Mesenchyme

A

Mesoderm

STEP Rapid Review (6 decks)

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