afterpotential /af·ter·po·ten·tial/ (-po-ten″shul) the small action potential generated following termination of the spike or main potential; it has negative and (paradoxically named) positive phases, the latter being in fact more negative than the resting potential.
afterpotential.
af·ter·po·ten·tial ( f t r-p-t n shl)n. A small negative or positive change in electrical potential in a stimulated nerve that follows and is dependent on the main potential. |
afterpotential.
See afterdepolarization.
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