Ear-shaped appendage of either atrium of the heart. (Dorland, 28th ed)

Synonyms: Appendages, Atrium, Heart Atrium Appendage, Appendages, Heart Atrium, Appendages, Auricular, Appendage, Heart Atrium, Auricular Appendage, Auricular Appendages, Atrium Appendage, Appendage, Atrium, Appendage, Auricular, Heart Atrium Appendages, Atrium Appendage, Heart, Appendages, Atrial, Atrium Appendages, Appendage, Atrial, Atrial Appendages, Atrial Appendage