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Embryology Derivatives > Derivatives and their Origins > Flashcards

Derivatives and their Origins Flashcards

0
Q

Dorsal root ganglia

A

Neural crest, ectoderm

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1
Q

Melanocytes

A

Neural crest, ectoderm

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2
Q

Enteric nervous system

A

Neural crest, ectoderm

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3
Q

Schwann cells

A

Neural crest, ectoderm

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4
Q

Neural crest

A

Ectoderm

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5
Q

Skin

A

Non-neuronal ectoderm

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6
Q

Nails

A

Non-neuronal ectoderm

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7
Q

Tooth enamel

A

Non-neuronal ectoderm

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8
Q

Skeletal tissue

A

Mesoderm

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9
Q

Connective tissue

A

Mesoderm

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10
Q

Blood

A

Mesoderm

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11
Q

Muscle

A

Mesoderm

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12
Q

Notochord

A

Mesoderm

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13
Q

Midline axial skeleton

A

Axial mesoderm (notochord)

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14
Q

Somitomeres

A

Paraxial mesoderm

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15
Q

Head mesenchyme

A

Somitomeres, paraxial mesoderm

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16
Q

Somites

A

Paraxial mesoderm

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17
Q

Sclerotome

A

Somites, paraxial mesoderm

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18
Q

Vertebral body

A

Scleretome, somites, paraxial mesoderm

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19
Q

Vertebral arch

A

Sclerotome, somites, paraxial mesoderm

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20
Q

Dermamyotome

A

Somites, paraxial mesoderm

21
Q

Dermatome

A

Dermamyotome, somites, paraxial mesoderm

22
Q

Myotome

A

Dermamyotome, somites, paraxial mesoderm

23
Q

Fat and connective tissue of the neck and back (contribution to dermis)

A

Dermatome, dermamyotome, somites, paraxial mesoderm

24
Q

Muscles (dorsal epimere and ventral hypomere)

A

Myotome, dermamyotome, somites, paraxial mesoderm

25
Q

Urogenital structures

A

Intermediate mesoderm

26
Q

Lining of intra-embryonic coelum

A

Primitive body cavity

Lateral plate mesoderm

27
Q

Somatic (parietal) mesoderm

A

Lateral plate mesoderm

28
Q

Splanchnic (visceral) mesoderm

A

Lateral plate mesoderm

29
Q

Dermis

A

Somatic (parietal) mesoderm, lateral plate mesoderm

30
Q

Limbs

A

Somatic (parietal) mesoderm, lateral plate mesoderm

31
Q

Gut wall

A

Splanchnic (visceral) mesoderm, lateral plate mesoderm

32
Q

Vascular system

A

Splanchnic (visceral) mesoderm, lateral plate mesoderm

33
Q

Anterior end of gut tube

A

Buccopharyngeal membrane

34
Q

Posterior end of gut tube

A

Cloacal membrane

35
Q

Gut tube and associated structures

A

Endoderm

36
Q

Pharynx

A

Endoderm

37
Q

Respiratory tube

A

Endoderm

38
Q

Nucleus pulposus

A

Notochord (axial mesoderm)

39
Q

Annulus fibrosus

A

Sclerotome, somites, paraxial mesoderm

40
Q

Neural tube

A

Ectoderm

41
Q

Carotid arteries

A

3rd aortic arch

42
Q

Aortic arch

A

Left 4th aortic arch

43
Q

Brachiocephalic trunk

A

Right 4th aortic arch

44
Q

Left pulmonary artery

A

Proximal left 6th aortic arch

45
Q

Ductus arteriosus

A

Distal left 6th aortic arch

46
Q

Right pulmonary artery

A

Proximal right 6th aortic arch

47
Q

Middle ear and Eustachian tube

A

Pharyngeal pouch 1

48
Q

Tonsils

A

Pharyngeal pouch 2

49
Q

Thymus and inferior parathyroid

A

Pharyngeal pouch 3

50
Q

Superior parathyroid, parafollicular thyroid cells and larynx structures

A

Pharangeal pouch 4

Embryology Derivatives (2 decks)

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