Method Twenty-four adult female Sprague-dawley rats were averagely divided into 3 groups matched for body mass:control group(CON),tail suspension group(TS) and tail suspension group associated with choline chloride(TS+Cch).

• 方法按体重配对原则将24只雌性SD大鼠分为对照组(CON)、尾吊组(TS)与尾吊给药组(TS+Cch),每组8只。