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Neuroanatomy > Overview and Cerebral Hemispheres > Flashcards

Overview and Cerebral Hemispheres Flashcards

1
Q

CNS

A

Brain

Spinal cord

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2
Q

PNS

A 
12 CNs
31 pairs of spinal nerves and branches
8C
12T
1L
5S
1C
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3
Q

Somatic Nervous System

A 
External environment
Supplies everything other than organs within body cavities
Sensory - skull, bones and joints
Motor - to skeletal muscles
Voluntary
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4
Q

ANS

A

Sensory - to organs
Responds to motor - cardiac, smooth muscle and glands
Internal environment
Involuntary

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5
Q

Derivates of Telencephalon

And associations

A

Cerebral hemisphere inc. corpus striatum

Associated with lat ventricle

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6
Q

Derivates of Diencephalon

And associations

A

Thalamus and hypothalamus and epithalamus

Ass. with 3rd ventricle

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7
Q

Derivates of Mesencephalon

And associations

A

Midbrain

Ass. with aqueduct penetrating midbrain

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8
Q

Derivates of Metencephalon

And associations

A

Pons and cerebellum

Ass. with upper portion of 4th ventricle

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9
Q

Derivates of Myelencephalon

And associations

A

Medulla oblongata

Ass. with lower portion of 4th ventricle

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10
Q

List grey matter structures

A

Thalamus
Caudate nucleus
Putamen
Internal capsule

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11
Q

What is the main white matter fibre tract between the spinal cord and cerebral hemispheres called?

A

Internal capsule

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12
Q

Which fissure runs down the middle of the brain in a coronal view

A

Longitudinal fissure

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13
Q

What is the interthalamic adhesion

A

2 thalmi touch each other in the midline

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14
Q

Frontal lobe

A

Large lobe ant to central sulcus and sup to lat sulcus

Lobe ant to line drawn from central sulcus down corpus callosum

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15
Q

Parietal lobe

A

Post to central sulcus
Sup to lat sulcus
Ant to parieto-occipital sulcus to the preoccipital notch
Post to frontal lobe and ant to parieto-occipital sulcus

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16
Q

Occipital lobe

A

Post to al one from pariteo-occipital sulcus to preoccipital notch
Post to parieto-occipital sulcus

17
Q

Temporal lobe

A

Inf to lateral sulcus
Post by a line from parieto-occipital sulcus and preoccipital notch
Medially from temporal pole to preoocipital notcj
Ant of calcarine sulcus

18
Q

Insular lobe/insula

A 
Usually hidden
Circular suclus
Short gyri
Limen insulae
Central sulcus of insula
Long gyri
19
Q

What makes up the lentiform nucleus

A 
Putamen (sup)
Globus pallidus (inf)
20
Q

Arcuate fibres (association fibres)

A

Numerous short bundles that connect adjacent gyri

21
Q

Superior Longitudinal Fasciculus (association fibres)

A

Ant-post
Connect frontal lobes with parts of parietal, temporal and occipital lobes
Like motorway

22
Q

Cingulum (association fibres)

A

Longitudinal bundle near midline

Connects temporal lobe, cingulate gyrus and septal area

23
Q

Corpus callosum (commisural fibres)

A

Largest white matter structure (250, 000, 000 axons)
Main connection between left and right hemispheres
Lateral radiates =radiations
Midline =trunk

24
Q

Ant commisure (commisural fibres)

A

Bundles of axons post to rostrum

Additional communication between left and right temporal lobes

25
Q

Internal capsule (projection fibres)

A

Bundle of axons
Connect cortex with brainstem and spinal cord
Connection for intermediatry structures (thalamus and cortex)
Ant limb, genu, post limb, and retrolentiform part

26
Q

Corona radiata

A

Sup end of int capsule

Fan out to cortex

27
Q

Somatic sensory neuron

A

Found in dorsal root ganglion

28
Q

Somatic motor neuron

A

Found in dorsal horn of SC

29
Q

Cerebellum

A

Coordinates movement

30
Q

Thalamus

A

Relay station for sensory info (from periphery to cortex)

31
Q

Brainstem

A

Cells ass. with CNs

32
Q

Patient HM

A

Remove hippocampus bilaterally
Anterograde amnesia for long term episodic memory
Older memories were intact

Neuroanatomy (11 decks)

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