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9 Cards in this Set

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Na+ Channels

Allow sodium ions to enter the ICF of the neuron

K+ Channels

Allow potassium ions to exit the ICF and enter the ECF

Ca2+ Channels

Allows calcium ions to enter the ICF


Plays a major role in the release of neurotransmitters at the end of the axon

Gated channels

Another name for many of the various channels embedded in the cell membrane of the neuron

Chemical channels

Abundant in the dendrite region but also found in the axon hillock region

Voltage channels

Abundant in the axon region


Not found in the axon hillock region

Mechanical channels

Found mostly in the dendrites

Sodium/Potassium ion channels (pumps)

Abundant in the axon region

Voltage channels

Axon hillock does not contain voltage channels but the area distal contains numerous voltage channels