Basal Ganglia Flashcards

1
Q

What is the function of the basal ganglia?

A

Involved in control of voluntary movements and supress involuntary movements

Modulate functions of pyramidal and extrapyramidal pathways

Receive input from motor cortex and send output back into motor cortices via thalamus

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2
Q

Describe the direct pathway of the basal ganglia

A

draw out plz

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3
Q

Describe the indirect pathway of the basal ganglia

A

draw out plz

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4
Q

What structures compose the striatum

A

Caudate Nucleus and Putamen

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5
Q

What structures compose the lentiform nucleus?

A

Globus Pallidus Internus and Externus

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6
Q

What structures make up the basal ganglia?

A

Striatum, Globus Pallidus, Subthalamic nucleus and Substantia Nigra

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7
Q

What artery supplies the basal ganglia?

A

Middle Cerebral Artery

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8
Q

What neurotransmitters are in the basal ganglia?

A

GABA (Inhibitory)
Glutamate (Excitatory)
Dopamine (both)

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9
Q

What structure is damaged in Huntington’s Disease?

A

Striatum

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10
Q

What structure is damaged in Parkinson’s Disease?

A

Substantia Nigra

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11
Q

What structure is medial to the lateral ventricle?

A

Caudate Nucleus

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12
Q

What structure is lateral to the caudate and thalamus?

A

Internal Capsule

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13
Q

What structure is lateral to the internal capsule?

A

Lentiform nucleus

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