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Depolarization
An excitatory state that occurs when the voltage difference across the mebrane in part of a neuron becomes less negative; required to begin an action potential.


Read more about this term in the Online Textbook:
Neurobiology: The Action Potential

Related Terms:
Hyperpolarization

Related Images:
Action potential movement through an axon

Related Animations:
None

View Terms by Unit: Neurobiology