nerve impulse

nerve-impulse的词性：
n.（名词）

1. A wave of physical and chemical excitation along a nerve fiber in response to a stimulus, accompanied by a transient change in electric potential in the membrane of the fiber.
神经活动：由刺激引起的沿神经纤维的物理、化学刺激波，伴随着纤维膜上电位的短暂变化