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Embryology > Germ Layer Derivatives > Flashcards

Germ Layer Derivatives Flashcards

1
Q

Epithelial lining of lower anal canal

A

Surface ectoderm

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2
Q

Epithelial lining of distal part of male urethra

A

Surface ectoderm

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3
Q

Epithelial lining of ext. auditory meatus

A

Surface ectoderm

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4
Q

Epidermis, hair, sweat and sebaceous glands

A

Surface ectoderm

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5
Q

Ext. ear/ pinna

A

Surface ectoderm

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6
Q

Inner ear( utricle, semicircular canals, vestibular ganglion of CN VIII, saccule, cochlear duct, spiral ganglion of CN 8, olfactory placode)

A

Surface ectoderm

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7
Q

Tooth enamel( ameloblasts)

A

Surface ectoderm

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8
Q

Lens of eye

A

Surface ectoderm

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9
Q

Corneal epithelium

A

Surface ectoderm

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10
Q

Anterior pituitary, adenohypophysis(from Rathke’s pouch-a thickened oral ectoderm)

A

Surface ectoderm

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11
Q

Parotid gland

A

Surf ectoderm

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12
Q

Mammary gland

A

Surface ectoderm

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13
Q

Neural tube

A

Neuroectoderm

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14
Q

All CNS neurons

A

Neuroect

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15
Q

Astrocytes

A

Neuroectoderm

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16
Q

Oligodendrocytes

A

Neuroectoderm

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17
Q

Ependymocytes

A

Neuroectoderm

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18
Q

Tanycytes

A

Neuroectoderm

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19
Q

Choroid plexus cells

A

Neuroectoderm

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20
Q

Neurohypophysis( post. Pituitary)

A

Neuroectoderm

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21
Q

Pineal gland

A

Neuroectoderm

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22
Q

Smooth muscles of iris( sphincter and dilator pupillae)

A

Neuroectoderm

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23
Q

Optic vesicle and cup

A

Neuroectoderm

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24
Q

Iris epithelium and ciliary epithelium

A

Neuroectoderm

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25
Q

Retina

A

Neuroectoderm

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26
Q

Retinal pigment epithelium

A

Neuroectoderm

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27
Q

Optic nerve

A

Neuroectoderm

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28
Q

Part of vitreous

A

Neuroectoderm

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29
Q

Trunk neural crest cells

A

Neural crest

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30
Q

Melanocytes

A

Neural crest

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31
Q

Schwann cells

A

Neural crest

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32
Q

Adrenal medulla( including chromaffin cells)

A

Neural crest

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33
Q

Dorsal root ganglia

A

Neural crest

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34
Q

Sympathetic chain ganglia; prevertebral sympathetic ganglia

A

Neural crest

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35
Q

Parasympathetic ganglia of the gut( Meissners and Auerbachs plexus and CN X)

A

Neural crest

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36
Q

Abdominal/ pelvic cavity parasympathetic ganglia

A

Neural crest

37
Q

Cranial neural crest

A

Neural crest

38
Q

Pia and arachnoid mater

A

Neural crest

39
Q

Bones of cranium

A

Neural crest

40
Q

Pharyngeal arch cartilage

A

Neural crest

41
Q

Odontoblasts( dentin of teeth)

A

Neural crest

42
Q

Parafollicular C cells of thyroid

A

Neural crest

43
Q

Ciliary muscles

A

Neural crest

44
Q

Glomus cells

A

Neural crest

45
Q

Aorticopulmonary septum, and endocardial cushions

A

Neural crest

46
Q

Sensory ganglia of CN 5,7,9 & 10

A

Neural crest

47
Q

Ciliary(cn 3), pterygopalatine(CN 7), submandibular(7) & Otic (9) parasympathetic ganglia

A

Neural crest

48
Q

Epithelium of trigone of urinary bladder

A

Mesoderm

49
Q

Endothelium of blood and lymph vessels

A

Mesoderm

50
Q

Muscles( smooth, cardiac, skeletal)

A

Mesoderm

51
Q

Connective tissue

A

Mesoderm

52
Q

Serous membranes

A

Mesoderm

53
Q

Bone and cartilage

A

Mesoderm

54
Q

Blood( RBC, WBC’s), lymph

A

Mesoderm

55
Q

Microglia& kupffer cells

A

Mesoderm

56
Q

Adrenal cortex

A

Mesoderm

57
Q

Spleen

A

Mesoderm

58
Q

Kidney

A

Mesoderm

59
Q

Ureters

A

Mesoderm

60
Q

Heart

A

Mesoderm

61
Q

Testis

A

Mesoderm

62
Q

Epididymis, ductus deferens, seminal vesicles, ejaculatory duct

A

Mesoderm

63
Q

Ovary

A

Mesoderm

64
Q

Uterus, uterine tubes

A

Mesoderm

65
Q

Superior 1/3 vagina

A

Mesoderm

66
Q

Extraocular muscles & ciliary muscles

A

Mesoderm

67
Q

Sclera( temporal small portion)

A

Mesoderm

68
Q

Iris, choroid

A

Mesoderm

69
Q

Muscles of tongue( occipital somites/ myotomes)

A

Mesoderm

70
Q

Arrector pili muscle of the skin

A

Mesoderm

71
Q

Dura mater

A

Mesoderm

72
Q

Corneal stroma ( from lateral plate mesoderm)

A

Neural crest

73
Q

Corneal endothelium

A

Mesoderm

74
Q

Epithelial lining of git

A

Endoderm

75
Q

Epithelial lining of respiratory( pharynx, larynx, trachea, bronchi, lungs)

A

Endoderm

76
Q

Epithelial lining of urogenital tract( urinary bladder( except trigone), female urethra & mist of male urethra, inferior 2/3 of vagina)
—

A

Endoderm

77
Q

Tympanic cavity

A

Endoderm

78
Q

Middle ear

A

Endoderm

79
Q

Auditory tube

A

Endoderm

80
Q

Pharyngotympanic tube( eustachian tube- from proximal part of tubotympanic recess)

A

Endoderm

81
Q

Liver( hepatocytes)

A

Endoderm

82
Q

Gallbladder

A

Endoderm

83
Q

Pancreas

A

Endoderm

84
Q

Thyroid & parathyroid

A

Endoderm

85
Q

Tonsils

A

Endoderm

86
Q

Glands of GI tract

A

Endoderm

87
Q

Lungs

A

Endoderm

88
Q

Submandibular and sublingual glands

A

Endoderm

Embryology (6 decks)

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