The third edition of this book incorporates thoroughly revised and updated text, organized into twelve sections and arranged in three parts. Part I: General Physiology includes one section having five chapters. Part II: Systemic Physiology has been arranged into ten sections, one on each body system. Part III: Specialized integrated physiology includes one section comprising of seven chapters. . Complete and up-to-date text incorporating recent advances. Illustrated by more than 1100 clear line diagrams. Complemented with numerous tables and flowcharts for quick comprehension. Applied aspects, highlighted in the boxes, have been expanded and updated with recent molecular concepts on pathophysiology, advances in investigations and therapeutic principles. Additional important information has been highlighted as important notes. The above features of this book make it an indispensable text for postgraduates in Physiology. Candidate preparing for PG entrance examination would also find it as an authentic reference source.