Parts and Function of a Neuron Cell

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Myelin sheath

a layer of fatty tissue encasing a neuron's axon that speeds transmission

Nucleus

a part of the cell containing DNA and RNA and responsible for growth and reproduction

Axon

long nerve fiber that conducts away from the cell body of the neuron

Dendrites

short fibers that branch out from the cell body and pick up incoming messages

Soma cell (cell body)

The part of a neuron that contains the nucleus and where incoming signals are integrated. Also called the soma.

axon terminals

Branching fibers at the ends of axons

Neuron

Nerve cell that carries impulses throughout the body


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