【作者】 王绍； 夏映红；

【Author】 Wang Shao Xia Yinghong(Department of Physiology, Bethune Uuniversity of Medical Sciences) The vassopressor effect induced by exciting habenula is observed. In order to judge whether habenula participates the process of blood pressure regulation and to distinguish this function from the pain response in habenula or not, the experiment is carried out.Rising arterial blood pressure by norepinephrine (0.06 mg i. v. ) can increase the unit spontaneous firing rat from habenula in rats.And the unit spontaneous firihg rate is lowered by decreased arterial blood pressure with sodium nitroprus side (0.018 mg i. v. ) . After administration of morphine or fentanyl, the response of increasing spontaneous firing rate from habenula to pain stimulus disappears, but the increased firing rate induced by the increased blood pressure exists as before. It is suggested that habenula is involved in the activities of cardiovascular regulation. Hsbcnula Spontaneous firing rate vassopressor effect

【机构】 白求恩医科大学生理教研室； 白求恩医科大学生理教研室 长春； 长春；