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action potential
(redirected from compound action potential)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.07 sec.

action potential

Brief (about one-thousandth of a second) reversal of electric polarization of the membrane of a nerve or muscle cell. Stimulation of the cell by certain chemicals or by sensory receptor cells causes depolarization of the membrane, permitting an impulse to move along the nerve fibre (in nerve cells) or causing the cell to contract (in muscle cells).



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The third objective is to compare the variation in the Compound Action Current and Compound Action Potential as the parameters of the model are varied and to compare the Conduction Velocity Distributions predicted from these two signals recorded from nerve bundles with that predicted from histological examination.
Biomedicine & biotechnology senior section by Witkowski, Colette M. / Transactions of the Missouri Academy of Science
[7,8] They found that perfusion of air into the scala tympani resulted in a drastic decrease in the cochlear microphonics and in the amplitude of the compound action potential.
Pneumolabyrinth: A late complication of stapes surgery by Lowry, Louis D. / Ear, Nose and Throat Journal
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