Etiology describes the cause or causes of a disease.
Dorland's Online Medical Dictionary. Available at: www.dorlands.com//def.jsp?id=100037257. Accessed April 28, 2015.
Jacob L. Heller, MD, MHA, Emergency Medicine, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.