Specializing in Canine and Feline 
Neurology and Neurosurgery since 1986

action potential

The electrical signal which rapidly propagates along the axon of nerve cells as well as over the surface of some muscle and glandular cells and leads to stimulation of desired effect.  It is the result of a change in flow of ions across the membrane due to voltage-activated ion channels.


Related Words
axon  ;  ion  ;  neuron