关键词: 硫酸钡, 肠道传输功能, 实验方法

Abstract: Objective To Delve into application of examining intestinal transmission function of mice by infusing stomach with barium sulfate.Method Barium sulfate and activated carbon were infused into stomachs of the mice in the normal and the constipation groups,and the intestinal moving rate,stool quantity,and first defecation time were observed.Result The intestinal moving rate,stool quantity,and first defecation time in the normal and the constipation mice were objectively demonstrated by infusing stomach with barium sulfate.Conclusion The infusing stomach with barium sulfate can be used as a new examining method of studying intestinal motility in mice.

Key words: Barium sulfate, Intestinal transmission function, Experimental method