Pathology as a branch of medical science refers to the diagnosis and study of diseases and illnesses in general. It uses cells, body fluids and tissues as samples for diagnosing a disease. Pathology has many sub-fields like surgical pathology, clinical pathology, molecular pathology, etc. This book provides comprehensive insights into the field of pathology. It elucidates the various concepts and techniques used in this area. The objective of the book is to give a general view of the different areas of pathology, and its applications. It will prove to be immensely beneficial to students and researchers in this area.