auricle

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auricle

 [aw´rĭ-k'l]
1. the projecting part of the ear lying outside the head; called also pinna.
Auricle.
2. the ear-shaped appendage of either atrium of the heart; formerly used to designate the entire atrium.

au·ri·cle

(aw'ri-kl), [TA] Avoid the outmoded use of this word in the sense of atrium.
The projecting shell-like structure on the side of the head, constituting, with the external acoustic meatus, the external ear. Synonym(s): auricula (1) [TA], pinna1 ☆ , ala auris

auricle

/au·ri·cle/ (aw´rĭ-k'l)
1. pinna; the flap of the ear.
2. the ear-shaped appendage of either atrium of the heart.
3. formerly, the atrium of the heart.

auricle

(ôr′ĭ-kəl)
n.
1. Anatomy
a. The outer projecting portion of the ear. Also called pinna.
b. See atrium.
2. Biology An earlobe-shaped part, process, or appendage, especially at the base of an organ.

au′ri·cled (-kəld) adj.

auricle

[ôr′ikəl]
Etymology: L, auricula, little ear
1 the external ear. Also called ala auris, pinna.
2 the left or right cardiac atrium, so named because of its earlike shape. Also called atrial appendix.
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Auricle

auricle

(1) (Right or left) atrial auricula, auricula atrii dextri/sinistri—a conical scrotiform structure that projects from either the right or left atrium.
(2) Pinna of the ear, auricula auris externa—the fan-shaped fibrocartilaginous plate located around the ear canal on each side of the head, which is the more prominent portion of the external ear, the lesser and lower portion being the earlobe.

au·ri·cle

(awr'i-kĕl) [TA]
1. The projecting shell-like structure on the side of the head, constituting, with the external acoustic meatus, the external ear.
Synonym(s): auricula (1) , pinna (1) .
2. Synonym(s): auricle of atrium.

auricle

1. The pinna, or external ear.
2. An obsolescent term for one of the upper chambers of the heart (atrium).

auricle

  1. a former term for the ATRIUM of the heart.
  2. an alternative term for the PINNA (outer ear).
  3. (also called auricula) an ear-shaped part or appendage, such as that occurring at the base of some leaves.

Auricle

The external structure of the ear.
Mentioned in: Otitis Externa

auricle,

n the external part of the ear that is treated in ear acupuncture.
Enlarge picture
Auricle.

au·ri·cle

(awr'i-kĕl) [TA] Avoid the outmoded use of this word in the sense of atrium.
The projecting shell-like structure on the side of the head, constituting, with the external acoustic meatus, the external ear.

auricle (ô´rikəl),

n 1. the oval flap of the external part of the ear.
n 2. atrium, the chamber of the heart that receives the blood: on the right, from the general circulation, and on the left, from the pulmonary circulation.

auricle

1. the flap of the ear in the form of a funnel-like organ which collects the sound waves. Called also pinna.
2. the ear-shaped appendage of either atrium of the heart; formerly used to designate the entire atrium.
References in periodicals archive ?
Wedge resection of a calcified auricle has been reported as a cure for insomnia?
Physical examination and computed tomography revealed the presence of an idiopathic ossification of the cartilaginous auricle and external auditory canal.
The petrified auricle is a rare clinical entity in which all or part or the auricle becomes immobile as a result of ectopic calcification or ossification.
Leaflets oblong (longer than wide) and usually more than 9 mm long; auricles (lobes) present at base of leaflets.
Small, auricles set-off by deep sulci; 47 narrow body costae increasing by intercalation; interspaces narrow; nine fine costae on posterior auricle, 11 costae on anterior auricle; umbonal angle 88 degrees; numerous fine comarginal growth lines which become beaded crossing costae on anterior auricle; other features not observed.
The smooth, orbicular-shaped shell and the obtuse angle of the posterior auricle places them in Streblopteria.
Bochdalek reported the first case of petrified auricle in a male cadaver in 1866.
Petrification of the auricle has been attributed to ectopic ossification, dystrophic calcification, and metastatic calcification:
2% ATRA or vehicle alone over 14 days and then the auricle tissues were subjected to histology.
Spontaneous extracellular synthesis of DNA released by frog auricles.
Nucleic acids spontaneously released by living frog auricles.
On physical examination, the auricles, external auditory canals, and tympanic membranes were clear.