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Embryology > Germ Layer Derivatives > Flashcards

Germ Layer Derivatives Flashcards

(88 cards)

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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
Retina
Neuroectoderm
26
Retinal pigment epithelium
Neuroectoderm
27
Optic nerve
Neuroectoderm
28
Part of vitreous
Neuroectoderm
29
Trunk neural crest cells
Neural crest
30
Melanocytes
Neural crest
31
Schwann cells
Neural crest
32
Adrenal medulla( including chromaffin cells)
Neural crest
33
Dorsal root ganglia
Neural crest
34
Sympathetic chain ganglia; prevertebral sympathetic ganglia
Neural crest
35
Parasympathetic ganglia of the gut( Meissners and Auerbachs plexus and CN X)
Neural crest
36
Abdominal/ pelvic cavity parasympathetic ganglia
Neural crest
37
Cranial neural crest
Neural crest
38
Pia and arachnoid mater
Neural crest
39
Bones of cranium
Neural crest
40
Pharyngeal arch cartilage
Neural crest
41
Odontoblasts( dentin of teeth)
Neural crest
42
Parafollicular C cells of thyroid
Neural crest
43
Ciliary muscles
Neural crest
44
Glomus cells
Neural crest
45
Aorticopulmonary septum, and endocardial cushions
Neural crest
46
Sensory ganglia of CN 5,7,9 & 10
Neural crest
47
Ciliary(cn 3), pterygopalatine(CN 7), submandibular(7) & Otic (9) parasympathetic ganglia
Neural crest
48
Epithelium of trigone of urinary bladder
Mesoderm
49
Endothelium of blood and lymph vessels
Mesoderm
50
Muscles( smooth, cardiac, skeletal)
Mesoderm
51
Connective tissue
Mesoderm
52
Serous membranes
Mesoderm
53
Bone and cartilage
Mesoderm
54
Blood( RBC, WBC’s), lymph
Mesoderm
55
Microglia& kupffer cells
Mesoderm
56
Adrenal cortex
Mesoderm
57
Spleen
Mesoderm
58
Kidney
Mesoderm
59
Ureters
Mesoderm
60
Heart
Mesoderm
61
Testis
Mesoderm
62
Epididymis, ductus deferens, seminal vesicles, ejaculatory duct
Mesoderm
63
Ovary
Mesoderm
64
Uterus, uterine tubes
Mesoderm
65
Superior 1/3 vagina
Mesoderm
66
Extraocular muscles & ciliary muscles
Mesoderm
67
Sclera( temporal small portion)
Mesoderm
68
Iris, choroid
Mesoderm
69
Muscles of tongue( occipital somites/ myotomes)
Mesoderm
70
Arrector pili muscle of the skin
Mesoderm
71
Dura mater
Mesoderm
72
Corneal stroma ( from lateral plate mesoderm)
Neural crest
73
Corneal endothelium
Mesoderm
74
Epithelial lining of git
Endoderm
75
Epithelial lining of respiratory( pharynx, larynx, trachea, bronchi, lungs)
Endoderm
76
Epithelial lining of urogenital tract( urinary bladder( except trigone), female urethra & mist of male urethra, inferior 2/3 of vagina) —
Endoderm
77
Tympanic cavity
Endoderm
78
Middle ear
Endoderm
79
Auditory tube
Endoderm
80
Pharyngotympanic tube( eustachian tube- from proximal part of tubotympanic recess)
Endoderm
81
Liver( hepatocytes)
Endoderm
82
Gallbladder
Endoderm
83
Pancreas
Endoderm
84
Thyroid & parathyroid
Endoderm
85
Tonsils
Endoderm
86
Glands of GI tract
Endoderm
87
Lungs
Endoderm
88
Submandibular and sublingual glands
Endoderm

Embryology (6 decks)

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