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Neur 532 exam Flashcards

1
Q

The striatum consists of which 2 nuclear masses?

A

Caudate and lentiform nucleus

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2
Q

According to Broadmanns 6 layer cortical structure, layer 1 is known as?

A

Molecular layer

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3
Q

What are the 6 cortical layers - in chronoligical order

A

Molecular
External granular
External pyramidal
Internal granular
Internal pyramidal
Multiform

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4
Q

Commissural fibres connect what?

A

the 2 hemispheres

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5
Q
A

Anterior commissure

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6
Q

The neocortix is what?

A

a 6 layered structure

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7
Q

The primary somatic sensation area is found in what 3 brodmann areas?

A

3, 2, 1

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8
Q

??

A

Choroid plexus of lateral ventricle

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9
Q

??

A

Cingulate gyrus

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10
Q

??

A

Body of fornix

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11
Q

??

A

Central part of lateral ventricle

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12
Q

??

A

Body of Caudate nucleus

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13
Q

??

A

3rd ventricle

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14
Q

??

A

Putamen

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15
Q

??

A

Globus pallidus external

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16
Q

??

A

Globus pallidus Internal

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17
Q

??

A

Subthalamic nuclei

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18
Q

??

A

Substantia nigra

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19
Q

??

A

Hippocampus

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20
Q

??

A

Optic tracr

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21
Q

??

A

Globus pallidus

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22
Q

??

A

External capsule

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23
Q

??

A

Insular lobe

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24
Q

??

A

Lentiform nucleus

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25
Q

??

A

Fornix

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26
Q

??

A

Caudate nucleus

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27
Q

??

A

Internal capsule

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28
Q

??

A

Globux pallidus

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29
Q

??

A

Anterior commissure

30
Q

??

A

Choroid plexus of third ventricle

31
Q

??

A

Choroid plexus

32
Q

??

33
Q

What makes up the lentiform nucleus?

A

Globus pallidus
Putamen

34
Q

What makes up the corpus striatum?

A
  1. Caudate nucleus
  2. Lentiform nucleus (putamen, globus pallidus)
  3. nucleus accumbens
35
Q

What does the sulcus limitans separate?

A

Posterior and anterior spinal cord segments

36
Q

What are the key structures of the limbic system?

A
  • Amydaloid body
  • Fornix
  • Mammillary body
  • Cingulate gyrus
  • Hippocampus
  • Parahippocampal gyrus
  • ## Septal nuclei
37
Q

Review dentate gyrus, uncus and parahippocampus gyrus associations

38
Q

Pathway of hippocampal trisynaptic circuit

A
  1. Entorhinal cortex travels to dentate gyrus granule cells vis perforant pathway
  2. Dentate gyrus travel to CA3 pyramidal cells via mossy fibres
  3. CA3 travels to CA1 via schaffer collaterals
  4. CA1 travels to subiculum
  5. Subiculum travels to
39
Q

What are the 4 primary brain vesicles?

A
  • Prosencephalon
  • Mesencephalon
  • Rhombencephalon
  • Neural tube
40
Q

?? and what does it do?

A

Cuneate fasciculus
Upper limbs
T6 and above

41
Q

?? and what does it do?

A

Gracalis fasciculus
Lower limbs
T6 and below

42
Q

??

A

Posterior spinocerebellar

43
Q

??

A

Anterior spinocerebellar

44
Q

?? and what

A

Spino-olivary tracts
Sensory to cerebellum

45
Q

?? and what?

A

Lateral spinothalamic tract
Pain and temp

46
Q

?? and what

A

Anterior spinothalamic tract
Crude touch & pressure

47
Q

?? and what do

A

Lateral corticospinal tract
Controls voluntary movement

48
Q

?? and what do?

A

Rubrospinal tract
Fine motor touch

49
Q

?? and what do?

A

Lateral reticulospinal tract
Inhibits contraction
Automated breathing

50
Q

?? and what do?

A

Medial reticulospinal tract
Fascilitates muscle contraction

51
Q

?? and what do?

A

Vestibulospinal tract
Balance, posture

52
Q

?? and what do?

A

Tectospinal tract
Head & vision movements

53
Q

?? and what do?

A

Anterior corticospinal tract
Voluntary movement

54
Q

What are these white tracts?

A

Optic radiations to the primary visual cortex

55
Q

What does the dorsal stream of the visual cortex associate in the parietal and frontal lobes?

A

WHERE AND HOW THINGS ARE

56
Q

What does the VENTRAL STREAM of the visual cortex associate in the TEMPORAL association areas?

A

WHAT THINGS ARE AND OBJECT RECOGITION

57
Q

What is anopia

A

A defect of the visual field

58
Q

What is the reticular formation?

A

Diffuse group of neurons within the pons and medulla oblongata

59
Q

What does the reticular formation receive?

A

Sensory information (somatic and visceral)
- General awareness
- Not specific

60
Q

Where does the reticular formation ascend?

A
  • Thalamus
  • Hypothalamus
  • Cortex
61
Q

Where do descending tracts of the reticular formation descend?

A

Spinal cord

62
Q

Does the reticular formation contain respiratory and cardiovascular regulating ‘centres’? Y/N

63
Q

Is the reticular formation in clusters or loose cells?

A

Loose cells

64
Q

What do the ascending pathways of the reticular formation do?

A
  • Sorting sensory stimuli
  • Determines where to focus attention
  • Arousal (awakeness)
  • Sleep & dreaming
  • Filters unnecessary information
65
Q

What do the descending pathways of the reticular formation do?

A
  • Voluntary and involuntary movement
  • Respiration, BP, HR
  • Analgesic pain pathways
  • ANS control
66
Q

REVISE RETICULAR FORMATION IN MAMMALS

67
Q

REVIEW

68
Q

??

A

ANTERIOR LOBE

69
Q

??

A

Cerebellar cortex

70
Q

??

A

Arbor vitae

71
Q

??

A

Posterior lobe

72
Q

??

A

Floculolobular nodule

Brain Anatomy (59 decks)

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