The new edition of this companion to Guyton & Hall's Textbook of Medical Physiology, 11th Edition delivers the salient points from the parent text in a manner that is ideal for rapid comprehension of the core concepts in the discipline. Small enough to fit in your pocket, you'll find concise, easy-to-reference physiology essentials wherever you are...whenever you need it most. Follows the same organization and scope as the primary text to reinforce key principles. Provides fast access to essential information through concisely written text. Represents the ideal, portable source for easy-to-reference need-to-know concepts in physiology. Covers all of the major systems in the human body while emphasizing system interaction, homeostasis, and pathophysiology. Features Dr. John Hall as lead author, utilizing his many years of experience as co-author of both the Textbook of Medical Physiology, 11th Edition and two previous editions of the pocket companion. Incorporates all of the essential new science, with emphasis on system interaction, homeostasis, and the pathophysiology of all major body systems.