消化道激素是一类多肽物质,在体内具有传递信息的作用,调节机体的正常生理功能。现知,消化道激素从其分泌细胞释出后,到达靶细胞发生效应的传递方式,一般归纳为内分泌、神经分泌和旁分泌三种不同类型的传递途径。近年来,发现有一些消化道激素除了上述三种作用方式之外,还能释放到胃肠腔内,因之,还具有外分泌的性质。这一现象 Gastrointestinal hormone is a class of peptide material, the body has the role of transmitting information to regulate the body’s normal physiological function. It is now known that the release of gastrointestinal hormones from their secreted cells to reach the target cell efferent delivery, generally summarized as endocrine, neuroendocrine and paracrine three different types of transmission. In recent years, found that some of the gastrointestinal hormone in addition to the above three modes of action, but also to the gastrointestinal lumen, therefore, also has the nature of exocrine. This phenomenon