摘要
INTRODUCTIONA major function of the intestinal epithelium is to controlthe amount of fluid entering into and being absorbed fromthe lumen.In healthy conditions,net fluid movementfollows an absorptive vector,although significant secretionalso takes place to subserve digestive function.Thus。
基金
grants from the National Institute of Health(USA):DK28305,DK53480 and DK35108 Unit 5