auricle of atrium


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Related to auricle of atrium: right atrium of the heart, right atrium, left atrium

au·ri·cle of a·tri·um

(awr'i-kĕl ā'trē-ŭm)
A small conic ("ear-shaped") pouch projecting from the upper anterior portion of each atrium of the heart, increasing slightly the atrial volume.
Synonym(s): auricula atrii, atrial auricle, auricle (2) , auricula (2) .