Book excerpt: The proposed textbook on pathophysiology for English studying students contains the information selected according to the pathological physiology program for the students of medical universities approved by the Ministry of Health of Ukraine. The manual is written to help students in their independent studies on pathophysiology and to understand the material on pathological processes development. The material provided in the textbook is adapted to the credit-module system of training and will help to increase knowledge of the mechanisms of typical pathological processes at the molecular, organ and systemic levels. There are new materials of national and foreign pathological physiology in the book. The textbook is recommended for training medical students of all medical university faculties. It can also be offered for use in preparing doctors, interns, aspirants, postgraduate students, and may be useful to physicians of all specialties at any stage of postgraduate education.