They carry a nerve impulse across the gap between nerve cells.

它们把神经冲动带到神经细胞之间的空隙中。

Dogs need magnesium, potassium, and sodium for nerve impulse transmission, muscle contraction, and cell signaling.

狗儿需求镁、钾、钠维持神经激动传输以及肌肉缩短，与细胞旌旗灯号传导。

Analgesic: Drug that relieves pain without blocking nerve impulse conduction or markedly altering sensory function.

镇痛药：可减轻疼痛而又不阻滞神经冲动的传导、不显著改变感觉器官功能的药物。

The perturbation was a single extra 'spike, ' or nerve impulse, introduced to a single neuron in the brain of a rat.

干扰是一个单独的额外尖峰信号或神经冲动，刺激小鼠的一个单独的神经元。

When a muscle is contracted a nerve impulse is relayed to the brain, triggering other neuronal circuits and nervous centers.

当一块肌肉发生收缩时，一个神经脉冲就传递给大脑，要求其打开另外的神经元电路和神经区。