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auricle
(redirected from Auricles)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
auricle
1. 
a. the upper chamber of the heart; atrium
b. a small sac in the atrium of the heart
2. Anatomy the external part of the ear
3. Biology an ear-shaped part or appendage, such as that occurring at the join of the leaf blade and the leaf sheath in some grasses

auricle [′ȯr·ə·kəl]
(anatomy)
An ear-shaped appendage to an atrium of the heart.
Any ear-shaped structure.


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On examination, both auricles were immobile and had a firm, bony consistency, but only the left auricle was symptomatic.
The upper two (small) chambers are called auricles and the lower two (larger) are called ventricles.
A citrus polymethoxy flavonoid, nobiletin, inhibits sebum production and sebocyte proliferation, and augments sebum excretion in hamsters Sato T, Takahashi A, Kojima N, Yano M and Ito A J Invest Dermatol, 2007, 127, 2740-2748 There are few animal models for acne, the main ones being hamster auricles and the utricles of the rhino mouse.
 
 
 
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