CNS Flashcards by Aryn Steinberg

Q

Ependymal cells

A

Produce and circulate CSF

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Q

Astrocyte

A

Supports neuron

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Q

Microglia

A

Immune cell

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Q

Pre central gurus

A

Primary motor cortex

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Q

Post central gyrus

A

Proprioception

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Q

Thalamus

A

Relay sensory station

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Q

Choroid plexus

A

Makes csf

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Q

Grey matter

A

Neuronal cell bodies

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Q

White matter

A

Myelinated axons

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Q

Oligodendrocytes

A

Forms myelin sheath In cns

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Q

Schwann

A

Myelin sheath in pns

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Q

Common excitatory NT

A

Glutamate

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Q

Common inhibitory NT

A

Gabba

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Q

First NT

A

Acetylcholine

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Q

EPSP

A

Excitatory post synaptic potential

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Q

Temporal summation

A

Several impulses from 1 neuron

Q

Spatial summation

A

Multiple neurons release NT to fire AP

Q

UMN

A

starts in brain to to spinal cord

Q

LMN

A

spinal cord to muscle

Q

Cerebellum

A

Compares motor and sensory information

Q

Brain stem

A

Heart rate/ respiratory rate/ sleep

Q

Resting

A

M closed
N closed
H open

Q

Threshold

A

M open
N closed
H open

Q

Depolarization

A

M open
N open
H closed

Q

Repolarization

A

All gates closdd

Q

Undershoot

A

All gates closed

Q

Return to resting

A

ATPase pump na out k in

Q

S4 region

A

Opens and closes gates based on charges

Q

P loop

A

Selectivity loop