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noun
A small conical pouch projecting from the upper anterior part of each atrium of the heart.
synonyms: auricle, auricula atrii.
is a specific kind of: pocket, pouch.
is a part of: atrium cordis, atrium of the heart.
derivation: auricular.
Polish: przedsionek
Find more on atrial auricle elsewhere: etymology - rhymes - Wikipedia.
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