The study of the causes and development of a disease; alternatively, the cause of a disease.
Causation, particularly with reference to disease.
The study of the causes of a disease, in both general and specific cases, including investigation of a patient’s susceptibility, the specific agent causing the disease, and the way in which the agent was introduced into the body. In cases of severe communicable diseases, such as aids, examination of the means of transmission are key to preventing its spread to others.
In common usage, the cause of a disease or disorder. Technically, however, the term “etiology” means the study of causes.
The study of the causes of disease.
The study of all factors that may be involved in the development of a disease, including the patient’s susceptibility, the nature of the disease-causing agent, and the way in which the person’s body is invaded by the agent.