Basal Ganglia Flashcards

1
Q

components of corpus striatum

A

putamen
caudate nucleus
globus pallidus

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2
Q

component of neostriatum

A

putamen and caudate nucleus

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3
Q

paleostriatum

A

segments of the globus pallidus

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4
Q

archistriatum

A

amygdaloid complex

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5
Q

the two parallel segments of globus pallidus are separated from each other by

A

medullary laminae

which contains large cholinergic neurons

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6
Q

lentiform nucleus

A

putamen and globus pallidus

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7
Q

projections of medial pallidal segment

A

ipsilateral thalamic nuclei

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8
Q

projections of lateral pallidal segment

A

subthalamic nucleus

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9
Q

output systems of the corpus striatum

A

medial pallidal segment

pars reticulata of the substantia nigra

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10
Q

the body of the caudate nucleus extends along the dorsolateral border of the thalamus from which it is separated by ___

A

the stria terminalis and the terminal vein

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11
Q

largest part of the Basal ganglia

A

putamen

lies between the external capsule and the lateral medullary lamina

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12
Q

the putamen is situated deep in the insular cortex and separated from it by

A

extreme capsule
claustrum
external capsule

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13
Q

which structures of the basal ganglia receive principal afferent systems projecting to the corpus striatum

A

caudate nucelus and putamen

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14
Q

T/F

Corticostriate fibers arising in the primary motor area (area 4) project , unilaterally, ipsilaterally and somatotopically on the putamen

A

false

bilaterally

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15
Q

dominant input to the subthalamic nucleus

A

lateral pallidal segment

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16
Q

dominant input to the subthalamic nucleus

A

lateral pallidal segment