Neuron Vocab Flashcards by Emma Livingston | Brainscape

Q

Dendrites

A

Receive info

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Q

Soma

A

Keeps neuron healthy

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Q

Nucleus

A

Brain/heart of Soma

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Q

Axon

A

Transports the info

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Q

Myelin Sheath

A

Protects the axon, sends messages faster

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Q

Nodes of Ranvier

A

Allows message to jump

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Q

Axon Terminals

A

Send info on

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Q

Resting Potential

A

Neuron waiting to fire

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Q

Action Potential

A

Neuron firing

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Q

Threshold

A

Level of stimulation needed to fire

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Q

Depolarization

A

Positive ions mix with negative axon

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Q

All or Nothing Response

A

Neuron either fires or doesn’t

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Q

Refractory Period

A

Positive ions go back outside (neuron resets itself)

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Q

Strength of Signal

A

How many neurons fire

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