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auricles (of atria)


Definition: 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): auricula2TA, auriculae atriiTA, atrial appendage, atrial auricle, atrial auricula, auricular appendix

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.