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Neurology Lectures > Overview of the CNS > Flashcards

Overview of the CNS Flashcards

1
Q

What are the 2 anatomical parts of the nervous system?

A

Central (CNS)

Peripheral (PNS)

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2
Q

What is the main component of the CNS?

A

The spinal cord

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3
Q

What are the components of the brainstem?

A

Midbrain
Pons
Medulla oblongata

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4
Q

What is the function of neurons?

A

Recieve information via synapses and transmit electrical impulses to other cells

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5
Q

What are the function of glial cells?

A

Glue like

Hold the brain together as there is no connective tissue in the brain

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6
Q

What are some types of glial cells?

A

Astrocytes
Oligodendrocytes
Microglia
Ependymal cells

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7
Q

What is the function of astrocytes?

A

Maintaining the blood brain barrier

Environmental homeostasis

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8
Q

What is the function of oligodendrocytes?

A

Produce myelin in the CNS

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9
Q

What is the function of microglia?

A

Immune surveillance and antigen presentation

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10
Q

What do ependymal cells line?

A

The ventricles

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11
Q

What matter is found on the outside of the brain?

A

Grey matter

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12
Q

Are neuron cell bodies found in the white matter?

A

No

Its only axons and support cells

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13
Q

In the spinal cord which matter is found on the outside?

A

White matter

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14
Q

What pattern is grey matter found in the spinal cord?

A

‘H’ pattern

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15
Q

What are some important features of the brain?

A 
Precentral gyrus
Central sulcus
Postcentral gyrus
Lateral fissure
Longitudinal fissure
Pareito-occipital sulcus
Cingulate sulcus
Cingulate gyrus
Calcarine sulcus
Corpus callosum
Ventricles
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16
Q

What are the lobes of the brain?

A 
Frontal
Parietal
Occipital
Temporal
Cerebellum
Insular
17
Q

From superficial to deep what are the three layers of meninges?

A

Dura mater
Arachnoid mater
Pia mater

18
Q

What is between the arachnoid and pia mater?

A

Subarachnoid space

19
Q

What is found in the subarachnoid space?

A

CSF

20
Q

What is the enteric nervous system?

A

Found in the Gi tract

21
Q

What is the blood supply to the brain?

A 
Internal carotid system
-IC arteries
-A,M,P Cerebral arteries
-Vertebral arteries
-Basilar arteries
CIRCLE OF WILLIS
22
Q

What is the venous drainage of the brain?

A

Intercavernous sinuses
Cavernous sinuses
Dural venous sinuses drain into the IJV

Neurology Lectures (4 decks)

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