atrial auricle


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Related to atrial auricle: auricle of left atrium, auricles of atria, right auricular appendage
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Noun1.atrial auricle - a small conical pouch projecting from the upper anterior part of each atrium of the heartatrial auricle - a small conical pouch projecting from the upper anterior part of each atrium of the heart
atrium cordis, atrium of the heart - the upper chamber of each half of the heart
pouch, pocket - (anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican)