The results suggest that BSI B 4 labeled neurons are generally not as the same as substance P energic neurons but are similar to glutamate energic neurons on function in nociceptive trigeminal primary afferents.

• 提示：传导伤害性信息的三叉初级感觉神经元中，BSI－B4标记的神经元和P物质（SP）能神经元在功能上有明显差异，而标记神经元和谷氨酸能神经元可能具有类似的功能