auricle


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Related to auricle: Right auricle

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.
References in periodicals archive ?
It's unlikely that an auricle would be torn away in a tug-of-war game, [but] auricular injury is a very serious problem.
b) long, broad and compact metepisternum forming unusually large precoxale, (c) auricle of the metathoracic gland opening (Fig.
2% ATRA or vehicle alone over 14 days and then the auricle tissues were subjected to histology.
A chimera with a human auricle might elicit reactions of
Left valve small, suborbicular; 31 rounded body costae of unequal size, increasing by intercalation; costae crossed by fine, comarginal lamellae on posterior portion of valve; seven fine costae on left auricle with moderately deep sinus; umbonal angle of 97 degrees; other features not preserved.
Typically, the pain is severe with auricle manipulation.
This report describes a case of cardiac right auricle rupture (RAR) in a flock of 11 500 broilers that were 14 days old.
Then I carried out an exploratory examination of my auricle - a howk in my earhole.
Most of the lesions occurred around the auricle, forehead or temple, cheek, lower nonmucosal lip, and nose.
26) One hand clenched and the right auricle of the heart contracted.
The sinoauricular node (NSA) of moose was found in the myocardium of the right auricle in the initial part of the bordering groove, which is located between the right external wall of the superior vena cava at the level of its orifice and the base of the left ridge of the right auricle.