This third edition of Essential Medical Physiology has been thoroughly revised and covers the principal subjects covered in a modern medical school physiology course. It includes chapters on general physiology, as well as cardiovascular, respiratory, renal, gastrointestinal, endocrine, central nervous system, and integrative physiology. Contributors to this indispensible textbook include the leading physiologists Leonard R. Johnson, Stanley G. Schultz, H. Maurice Goodman, John H. Byrne, Norman W. Weisbrodt, James M. Downey, D. Neil Granger, Frank L. Powell, Jr., James A. Schafer, and Dianna A. Johnso