Embryological Tissue Derivatives Flashcards

1
Q

What are the 3 Main Cell layers

A
  • Ectoderm
  • Mesoderm
  • Endoderm
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2
Q

Sublingual glands

A

Endoderm Origin

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3
Q

Kidneys

A

Mesoderm Origin

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4
Q

Mammary glands

A

Surface Ectoderm Origin

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5
Q

Olfactory Epithelium

A

Surface Ectoderm Origin

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6
Q

Sweat glands

A

Surface Ectoderm Origin

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7
Q

Enamel of teeth

A

Surface Ectoderm Origin

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8
Q

Heart

A

Mesoderm Origin

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9
Q

Retina

A

Neural Tube Origin

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10
Q

What 2 parts are included as Neuroectoderm

A
  • Neural crest

* Neural tube

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11
Q

Oligodendrocytes

A

Neural Tube Origin

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12
Q

Urethral epithelium

A

Endoderm Origin

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13
Q

Melanocytes

A

Neural Crest Origin

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14
Q

Blood cells

A

Mesoderm Origin

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15
Q

Liver

A

Endoderm Origin

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16
Q

Aorticopulmonary Septum

A

Neural Crest Origin

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17
Q

Blood vessels

A

Mesoderm Origin

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18
Q

Chromaffin cells

A

Neural Crest Origin

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19
Q

What are the derivatives of mesoderm cells (12)

A
  • Muscle
  • Bone
  • Bone marrow
  • Blood cells
  • Heart
  • Blood vessels
  • Lymphatics
  • UPPER vagina
  • Kidneys
  • Adrenal cortex
  • Gonads
  • Dermis
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20
Q

Thymus

A

Endoderm Origin

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21
Q

Bone marrow

A

Mesoderm Origin

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22
Q

Ganglia (autonomic, dorsal root, enteric)

A

Neural Crest Origin

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23
Q

Parotid glands

A

Surface Ectoderm Origin

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24
Q

Odontoblasts

A

Neural Crest Origin

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25
Q

Lens

A

Surface Ectoderm Origin

26
Q

What are the derivatives of surface ectoderm cells (11)

A
  • Lens
  • Olfactory Epithelium
  • Inner Ear
  • Ant Pituitary
  • Oral Epithelium
  • Parotid glands
  • Enamel of teeth
  • Epidermis
  • Sweat glands
  • Mammary glands
  • Distal anal canal
27
Q

What are the derivatives of Neural Tube Cells (7)

A

CNS

  • Neurons
  • Oligodendrocytes
  • Astrocytes
  • Ependymal cells
  • Pineal gland
  • Posterior pituitary
  • Retina
28
Q

Sclera

A

Neural Crest Origin

29
Q

Gonads

A

Mesoderm Origin

30
Q

Dermis

A

Mesoderm Origin

31
Q

Bladder epithelium

A

Endoderm Origin

32
Q

Distal anal canal

A

Surface Ectoderm Origin

33
Q

Pineal gland

A

Neural Tube Origin

34
Q

Adrenal cortex

A

Mesoderm Origin

35
Q

Cranial nerves

A

Neural Crest Origin

36
Q

Oral epithelium

A

Surface Ectoderm Origin

37
Q

What are the derivatives of Neural Crest Cells (10)

A

MAGIC COPS

  • Melanocytes
  • Aorticopulmonary septum
  • Ganglia (autonomic, dorsal root, enteric)
  • Iris stroma
  • Chromaffin cells
  • Cranial nerves
  • Odontoblasts
  • Ossicles
  • Parafollicular (C) cells
  • Sclera
38
Q

Ossicles

A

Neural Crest Origin

39
Q

Posterior Pituitary

A

Neural Tube Origin

40
Q

Anterior pituitary

A

Surface Ectoderm Origin

41
Q

Lungs

A

Endoderm Origin

42
Q

Bone

A

Mesoderm Origin

43
Q

Inner Ear

A

Surface Ectoderm Origin

44
Q

What forms the 3 cell layers

A

Trilaminar Epiblast at week 3

45
Q

Submandibular glands

A

Endoderm Origin

46
Q

Astrocytes

A

Neural Tube Origin

47
Q

What is the blastocyst composed of and what does each become

A

Trophoblast:

  • Placenta/embryonic membranes Inner Cell Mass (epi and hypoblast):
  • Fetus
48
Q

What are the derivatives of endoderm cells (12)

A
  • GI tract
  • Submandibular glands
  • Liver
  • Gallbladder
  • Pancreas
  • Lungs
  • Thymus
  • Thyroid follicular cells
  • LOWER vagina
  • Bladder epithelium
  • Urethral epithelium
49
Q

Pancreas

A

Endoderm Origin

50
Q

Lower Vagina

A

Endoderm Origin

51
Q

Lymphatics

A

Mesoderm Origin

52
Q

Parafollicular (C) cells

A

Neural Crest Origin

53
Q

Upper Vagina

A

Mesoderm Origin

54
Q

What 2 parts are included as ectoderm

A
  • Neuroectoderm

* Surface ectoderm

55
Q

Muscle

A

Mesoderm Origin

56
Q

Iris stroma

A

Neural Crest Origin

57
Q

Gallbladder

A

Endoderm Origin

58
Q

GI tract

A

Endoderm Origin

59
Q

Ependymal cells

A

Neural Tube Origin

60
Q

Neurons

A

Neural Tube Origin

61
Q

Epidermis

A

Surface Ectoderm Origin

62
Q

Thyroid follicular cells

A

Endoderm Origin