auricle Another name for the pinna, the external flap of the ear. The term was also once used as a synonym for the atrium (one of the two upper chambers of the heart). Ear-like appendages of the atria are still called auricles. Related category • ANATOMY AND PHYSIOLOGY Source: British Medical Association Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |