Grab full notes on HUMAN PATHOLOGY. Introduction to Pathology Learning Objectives Upon completing this chapter students should be able to: 1. Define pathology 2. Discuss the core aspects of disease in pathology 3. Know the diagnostic techniques used in pathology 4. Know the various categories of the causes of diseases 5. Know the course, outcome, consequences of diseases The core aspects of diseases in pathology Pathology is the study of disease by scientific methods. The word pathology came from the Latin words “patho” & “logy”. ‘Patho’ means disease and ‘logy’ means study, therefore pathology is a scientific study of disease. Diseases may, in turn, be defined as an abnormal variation in structure or function of any part of the body. Pathology gives explanations of a disease by studying the following four aspects of the disease.