The purpose of this book is to provide the reader with a rational frame of reference for assessing the pathophysiology of those disorders in which derangements of membrane transport processes are a major factor responsible for the clinical manifestations of disease. In the present context, we use the term "membrane transport processes" in a catholic sense, to refer to those molecular processes whose cardinal function, broadly speaking, is the vectorial transfer of molecules either individually or as ensembles-across biological interfaces, the latter includ ing those interfaces which separate...