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Irene Gold - Spinal > Embryo > Flashcards

Embryo Flashcards

1
Q

3 germ layers

A

endoderm
mesoderm
ectoderm

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2
Q

derivatives: organs, gut, respiratory tract, “tubular structres”

A

endoderm

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3
Q

derivatives: msk: muscles, ligaments, tendons

A

mesoderm:

paraxial - somatic

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4
Q

derivatives: smooth muscle of organs

A

mesoderm:

paraxial - splanchnic

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5
Q

derivatives: urogenital system + kidney

A

mesoderm:

intermediate

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6
Q

derivatives: skull muscles and dentine of teeth

A

mesoderm:

head

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7
Q

derivatives: adrenal cortex, CT, cardiovascular and lymph

A

mesoderm:

lateral plate

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8
Q

derivatives: epidermis, anterior pit, lens of eye, skin, enamel, hair, nails

A

ectoderm:

surface

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9
Q

derivatives: n. tube, posterior pit, retina of eye, CNS, oligodendrocytes

A

ectoderm:

neuroectoderm

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10
Q

derivatives: CNS, brain and spinal cord

A

ectoderm:

neural tube

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11
Q

derivatives: outside CNS, symp chain ganglion, DRG, ANS, PNS, adrenal medulla

A

ectoderm:

neural crest

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12
Q

what is the embryology order

A

notochord - neural plate - neural groove - neural tube - neural crest cells

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13
Q

lamina failed to fuse

what vitamin prevents this from happening

A

spina bifida

B9/folic acid

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14
Q

meninges protrude out

A

meningocele

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15
Q

spinal cord protrudes out bc meninges not developed properly

A

myelocele

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16
Q

spinal cord + meninges proturding out

A

meningomyelocele

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17
Q

cerebellar peduncles come below foramen magnum

A

arnold chiari 1

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18
Q

arnold chiari 1 + meningomyelocele (usually lumbar spine)

A

arnold chiari 2

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19
Q

failure of maxillary and palatine bones to fuse

A

cleft palate

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20
Q

persists as nucleus pulposus

A

notochord

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21
Q

pairs of mesodermal somites from paraxial mesoderm

A

31

22
Q

membranous vertebral column

A

sclerotome

23
Q

muscle

A

myotome

24
Q

dorsal, posterior mm, extensor

A

epimere

25
Q

ventral, anterior mm, flexor

A

hypomere

26
Q

nerves

A

dermatome

27
Q

stomodeum

A

mouth

28
Q

back of throat to 1st 1/3 of duodenum

A

foregut

29
Q

last 2/3 duodenum to 1st 2/3 transverse colon

A

midgut

30
Q

last 1/3 transverse colon to anus

A

hindgut

31
Q

gubernaculum in males

A

scrotal ligament (testis)

32
Q

gubernaculum in females

A

suspensory ligament of ovary, ovary lig, round lig

33
Q

primary vesicles

A

prosencephalon
mesencephalon
rhombencephalon

34
Q

prosencephalon secondary vesicles

A

telencephalon

diencephalon

35
Q

mesencephalon secondary vesicle

A

mesencephalon

36
Q

rhombencephalon secondary vesicles

A

metencephalon

myelencephalon

37
Q

cortices + basal ganglion

A

telencephalon

38
Q

thalamus and pineal gland

A

diencephalon

39
Q

midbrain

A

mesencephalon

40
Q

pons + cerebellum

A

metencephalon

41
Q

medulla oblongata

A

myelencephalon

42
Q

CN 1

A

telencephalon

43
Q

CN 2

A

diencephalon

44
Q

CN 3,4

A

mesencephalon

45
Q

CN 5-8

A

metencephalon

46
Q

CN 9-12

A

myelencephalon

47
Q

lateral venricle

A

telencephalon

48
Q

3rd ventricle

A

diencephalon

49
Q

aqueduct of sylvius

A

mesencephalon

50
Q

4th ventricle

A

metencephalon

51
Q

4th ventricle at floor of 4th (obex)

A

myelencephalon

Irene Gold - Spinal (5 decks)

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