from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A momentary change in electrical potential on the surface of a cell, especially of a nerve or muscle cell, that occurs when it is stimulated, resulting in the transmission of an electrical impulse.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
short termchange in the electrical potential that travelsalong a cellsuch as a nerveor muscle fiber.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the local voltage change across the cell wall as a nerve impulse is transmitted
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