What is the difference between pathophysiology and pathology? Pathophysiology: the study of the functional bodily changes that occur as a result of an injury, disorder, or disease (the mechanisms of disease) Pathology: the study of changes in cells and tissues as a result of injury or disease (studying a disease) What is a syndrome? a specific condition with a recognizable, predictable pattern Define pathogenesis. the disease beginning; when the disease process begins until symptom onset ...