492471.fig.004
Figure 4: Effect of EA stimulation with calcium chelator pretreatment on the PWL to thermal stimuli. Each point indicates the mean ± SEM ( ). EA-stimulated rats showed a significant analgesic effect compared with normal arts, but Quin2 and TMB8 pretreatment inhibited EA-induced analgesia. compared with control rats; , and compared with EA-treated rats.