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MP: Neurology > Overview of the Nervous System > Flashcards

Overview of the Nervous System Flashcards

1
Q

Name the 4 glial cell types.

A

Ependymal Cells
Oligodendrites
Microglia
Astrocytes

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2
Q

What are ependymal cells?

A

ciliated cuboidal epithelium which lines ventricles

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3
Q

What are the 2 states of oligodenrites?

A

active - rouler + takes appearance of macrophages

resting - elongated nucleus

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4
Q

What are microglia?

A

similar to macrophages and act as a APC (clearing cell debris)

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5
Q

What are the different types of astrocytes found in the white and grey matter?

A

grey matter - protoplasmic astrocyte

white matter - fibrous astrocyte

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6
Q

What is the function of an astrocyte?

A

support in maintaining blood brain barrier

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7
Q

How can an astrocyte be identified?

A

star shaped

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8
Q

What is the function of oilgodendrities?

A

produce myelin in the CNS (insulation for schwann cells)

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9
Q

What does the hypothalamus do?

A

relayes sensory information

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10
Q

What is the lentiform nucleus?

A

Putafor and globules fallidus for basic movements

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11
Q

What does the cirgulate lenfiform do?

A

plays a large role in pain

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12
Q

Pineal gland function?

A

regulation of hormones

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13
Q

what does the telencephalon become?

A

cerebral hemispheres

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14
Q

what does the diencephalon become?

A

thalamus + hypothalamus

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15
Q

What does the mesencephalon become?

A

Midbrain, Pons and cerebelli

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16
Q

What does the myelencephalon become?

A

Medulla oblongata

17
Q

What are the 4 main lobes of the cerebrum?

A

Occipital
Temporal
Parietal
Frontal

18
Q

What are the 3 layers on top of the brain?

A

dura mater - tough layer
arachnoid mater - spaces for CFS
pia mater - v. thin + adherent to brain (follows dents)

19
Q

Where does everything eventually drain into from the brain?

A

internal jugular foramen

20
Q

What 2 arteries supply blood to the brain?

A

vertebral arteries

internal carotid arteries

MP: Neurology (24 decks)

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