Results:Rhubarb can increase the volume depletion of gut predominantly and cause eliminateion.But croton tigiium has no effect on it.

• 结果:大黄能使家兔肠容量显著增加而致泻,巴豆对家兔肠容量无影响,大黄与巴豆混合液则使肠容量明显减少而泻下作用降低。