Keywords carotid sinus baroreceptor reflex;histamine;chlorpheniramine;cimetidine;intracerebro-ventricular injection;nucleus of solitary tract;mean arterial pressure;

• 颈动脉窦压力感受性反射;组胺;氯苯吡胺;西咪替丁;侧脑室注射;孤束核;平均动脉压;