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Auricle of atrium

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Auricle of atrium

a small conical (ear-shaped) pouch projecting from the upper anterior portion of each atrium of the heart, increasing slightly the atrial volume.

See: auricle of left atrium, auricle of right atrium.

Synonym: auricula atrialis, atrial auricle, atrial auricula, auricle, auricula, auricular appendage, auricular appendix, skin tag.