compound action potential


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compound action potential

the combined potentials resulting from activation of the auditory division of the eighth cranial nerve.

com·pound ac·tion po·ten·tial

(kom'pownd ak'shŭn pŏ-ten'shăl)
The combined potentials resulting from activation of the auditory division of the eighth cranial nerve.

action potential

the nerve impulse, the sign of activity and the basis of activity in individual neurons in the nervous system. The measure of the activity of an individual nerve cell is indicated by the frequency of its discharge.

compound action potential
the sum of the activity in a number of nerve fibers. It applies to the degree of activity in a nerve trunk in which a variable proportion of nerve fibers are discharging.
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