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4 Tutorials that teach Neurons: The Basics
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Neurons:  The Basics

Neurons: The Basics

Author: Barbara Ludins
Description:

This lesson will identify and define the parts of a neuron.  

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Tutorial
Terms to Know
Axon

The long tail-like structure that comes off of the cell body and sends signals along the cell and out to other cells.

Dendrites

The part of the neuron that branches out into many smaller parts, which receive signals from other neurons.

Myelin Sheath

A layer of fatty cells that covers some neurons' axons and allows them to transmit information faster in the brain.

Nerves

Cord or cable-like bundles of axons which carry messages to and from the body and brain.

Soma

The central part of the neuron, which contains all the basic parts of a cell (nucleus, mitochondria, etc.); the cell body.