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Any of many small branched extensions of the cell body of a neuron that store memories and carry impulses toward the cell body.
Single, long, branched extension of the cell body of a neuron that carries impulses away from the cell body.
Rapid change in voltage on the inside of the axon from negative to positive and then back to negative.
Material that forms a protective sheath around an axon; white fatty substance that surronds many vertabrae nerve cells.
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