atrial appendage


au·ri·cles (of a·tri·a)

[TA] a small conic ("ear-shaped") pouch projecting from the upper anterior portion of each atrium of the heart, slightly increasing the atrial volume. See: left auricle, right auricle. Synonym(s): auricula (2) [TA], auriculae atrii [TA], atrial appendage, atrial auricle, atrial auricula, auricular appendix

atrial appendage

(1) Right atrial appendage; auricula dextra [NA6], right auricle. 
(2) Left atrial appendage; auricula sinistra [NA6], left auricle.

atrial appendage

A small muscular pouch attached to each atrium of the heart. Synonym: auricular appendage (1) See also: appendage