1. SYN: auricle (1). 2. SYN: auricles (of atria), under auricle. [L. the external ear, dim. of auris, ear]
- atrial a. SYN: auricles (of atria), under auricle. SEE ALSO: left atrium of heart, right atrium of heart.
- auriculae atrii [TA] SYN: auricles (of atria), under auricle. See left atrium of heart, right atrium of heart.
- a. atrii dextra [TA] SYN: right auricle.
- a. atrii sinistra [TA] SYN: left auricle.
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au·ric·u·la (aw-rikґu-lə) pl. auriґculae [L., dim of auris] 1. [TA] auricle: the portion of the external ear not contained within the head; the flap of the ear. Called also pinna. auricula atrii. 2. formerly, either of the atria of the heart.
Auricula (auricle).
Medical dictionary. 2011.