ABSTRACT
Exclusion of a gastrointestinal segment for incorporation in the urinary tract induces structural and functional changes both in the remaining alimentary tract and in the isolate exposed to urine. Indeed, resection and bypass have been the most widely used methods for studying the morphological and functional adaptability of the gut. For an overview of the various factors regulating growth of the gastrointestinal mucosa, readers are referred to Thompson et al.1
