AURICLE, Auricula, in Anatomy, the external Ear; or that Part of the Ear which is prominent from the Head. See EAR. The Word is a diminutive of Auris, Ear; q. d. little Ear. For the Structure and Variety in the Auricle; with the several Parts thereof, their Names, etc. see EAR. Auricle is also applied to two Appendages of the Heart; being two muscular Caps, covering the two Ventricles thereof. See VENTRICLE. They move regularly like the Heart; only in an inverted Order; their Systole corresponding to the Diastole of the Heart and vice versa. See further of their Structure and Office under the Article HEART. See also SYSTOLE and DIASTOLE, etc.
