Objective:To study the effect of oxytocin(OT)in nucleus raphe magnus (NRM) on electroacupuncture (EA) analgesia and its correlation with the endogenous 5-HT.

• 目的:探讨中缝大核(NRM)内催产素(OT)在电针镇痛中的作用,及其和内源性5HT在电针镇痛中的关系。