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atrial appendage(1) Right atrial appendage; auricula dextra [NA6], right auricle.
(2) Left atrial appendage; auricula sinistra [NA6], left auricle.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
A small muscular pouch attached to each atrium of the heart.
See also: appendix
Medical Dictionary, © 2009 Farlex and Partners