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Phase I Medicine > B5 CNS: Basal Ganglia > Flashcards

B5 CNS: Basal Ganglia Flashcards

1
Q

What are ganglia?

A

Collections of cell bodies

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2
Q

What are the basal ganglia?

A 
Putamen
Globus Pallidus
Substantia Nigra
Subthalamic Nucleus
Caudate Nucleus
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3
Q

What is the ‘striatum’ made up of?

A

Putamen

Globus Pallidus

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4
Q

What is the difference between cranial and spinal nerves?

A

Cranial - exist from cranium

Spinal - exist from spinal column

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5
Q

Is a vagus nerve a cranial or spinal nerve?

A

Cranial

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6
Q

What is the point of a plexus?

A

Efficient redistribution of nerves

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7
Q

Give some examples of plexuses

A 
Phrenic nerve (C3-5)
Brachial plexus
Cervical plexus
Lumbar plexus
Sacral plexus
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8
Q

Can a plexus exist before spinal nerves have been formed?

A

No- they are formed via branching of spinal nerves

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9
Q

What are branches of a spinal nerve called?

A

Rami

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10
Q

How long is the foramen magnum?

A

42-45cm

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11
Q

What are enlargements?

A

Increased size of spinal cord, particularly ventral horn

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12
Q

What does the filum terminale attach to?

A

S2 Vertebra

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13
Q

Where in the spinal cord would you find the conus medularis?

A

L1/L2

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14
Q

What is the posterior folliculus?

A

Dorsal column

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15
Q

What is another name for a cordotomy?

A

Lesion

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16
Q

What would you find in the grey matter?

A

Cortex

Nuclei

17
Q

Which cranial nerves come off of the cerebellum?

A

1 & 2

18
Q

Which cranial nerve is the only one to run posterior to the brainstem before coming to the front?

A

CN IV

19
Q

Which structures do the cranial nerves come off of?

A

Cerebellum
Midbrain
Pons
Medulla

20
Q

Where does cranial nerve 7 come off of?

A

Pons

21
Q

Which cranial nerves come off of the midbrain?

A

3 & 4

22
Q

Which cranial nerves come off of the pons?

A

5
6
7
8

23
Q

Which cranial nerves come off of the medulla

A

9
10
11
12

24
Q

What are peduncles?

A

Communication tracts between the brainstem and cerebellum

25
Q

From the cerebellum, what do the superior peduncles connect to?

A

Midbrain

26
Q

What do the middle peduncles connect to?

A

Cerebellum ->Pons

27
Q

From the cerebellum, what do the inferior peduncles connect to?

A

Medulla

Phase I Medicine (46 decks)

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