Rats were divided into three groups : NaCl(0.86mol/L),5-HT(10-4 mol/L) and sham operation,being received above-mentionedstimulation and collected pancreatic juice every 15min.

• 方法:实验共分 3组:5%25NaCl 组、10-4mol/L5-HT 组,每组 8 只; 假手术组,每组 4 只。