afterpotential

noun
af·​ter·​po·​ten·​tial | \ -pə-ˌten-chəl How to pronounce afterpotential (audio) \

Medical Definition of afterpotential

: the sequence of electrical events that follows the action potential of nerve activity and that usually takes the form of a negative followed by a positive potential with both being of much smaller amplitude than the action potential — compare prepotential

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