分泌性腹泻是种种因素刺激小肠粘膜,引起电解质和水移入肠腔的活动显著增强,和/或移出肠腔的活动减少,超过结肠的吸收能力而发生的腹泻。其特点为肠粘膜无破坏性改变,而呈现一系列细胞生物化学的改变。其粪便与血浆等渗,并具有血浆超滤液的一些特点,大便中无炎性细胞,禁食后仍有腹泻。本文着重对分泌性腹泻的病理生理进行讨论。 Secretory diarrhea is a variety of factors to stimulate the small intestine mucosa, causing electrolyte and water into the intestine significantly increased activity, and / or decreased activity out of the intestine, more than the capacity of the colon diarrhea. Characterized by non-destructive intestinal mucosal changes, showing a series of cell biochemical changes. Its feces and plasma isotonic, and has some of the characteristics of the plasma ultrafiltrate, no inflammatory cells in the stool, there is still diarrhea after fasting. This article focuses on the pathophysiology of secretory diarrhea.