auricles (of atria)


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