noun
: the sharp wave of electric negativity that accompanies the passage of an impulse along a nerve and coincides in time of occurrence with the refractory period of the nerve
noun
: the sharp wave of electric negativity that accompanies the passage of an impulse along a nerve and coincides in time of occurrence with the refractory period of the nerve
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012