This book provides an up-to-date summary of the large body of data regarding gastrointestinal hormones and growth factors involved in the development and maintenance of the architecture and physiological functions of the different organs of the digestive tract. The regulation of growth and differentiation in the stomach, small intestine, colon, and pancreas is reviewed by experts in developmental and adult physiology, as well as in pathophysiology of diseases involving each organ. The book provides essential reference material for gastroenterologists, medical and university libraries, and investigators and graduate students of gastrointestinal physiology.