Victor W. Rodwell, PhD

The authors thank Michael Weitz for his role in the planning of this edition and Regina Y.

LindaS.Costanzo, Ph.D.

The subject matter of physiology is the foundation of the practice of medicine, and a firm grasp of its principles is essential for the physician.

Leslie P. Gartner, PhD

We thank the following individuals for their help and support during the preparation of this book: