This book helps to simplify and clarify concepts preliminary many aspects that help students to explore the depths of pathology, which is one of the most modern medical science, where the arbitrator provide a description of the components of the basic mechanisms of disease, in a comprehensive and concise so that the students of medicine in pre-graduate and trainee post-graduate brief reference manual, abbreviated and strengthen information gained from teachers and textbooks large pathologist. The book consists of 30 chapters.