Axon

Definition

An axon is a long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body. It is fundamental in transmitting information to different neurons, muscles, and glands.

Related terms

Synapse:

The junction between two neurons or a neuron and a muscle/gland where signal transmission occurs.

Myelin Sheath:

A fatty layer that surrounds some axons, increasing their speed of signal transmission.

Action Potential:

A rapid rise and subsequent fall in voltage or membrane potential across a cellular membrane that occurs when a neuron sends information down an axon