“Pathology is the medical disciple that provides diagnostic information to patients and clinicians. It impacts nearly all aspects of patient care, from diagnosing cancer to managing chronic diseases through accurate laboratory testing.” According to the College of American Pathologists.
pathology
noun
pa·thol·o·gy | \ pə-ˈthä-lə-jē
plural – pathologies
Definition of pathology
the study of the essential nature of diseases and especially of the structural and functional changes produced by them