auricle

(redirected from Auricles)
Also found in: Dictionary, Thesaurus, Encyclopedia.

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.
enlarge picture
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 ?
Anthropometric study on normal human auricle in Japan, Nippon Jibiinkoka Gakkai Kalho, 104(2): 165-174.
Small, valve convex, nearly orthocline; auricles incomplete, set-off from body by deep sulci; anterior auricle with eight flatly rounded costae, posterior auricle with nine to 10 smaller, flatly rounded costae; body with 40 broadly rounded, nearly equal-sized costae separated by narrower interfaces; costae increase by intercalation; costae crossed by numerous low, imbricate lamellae on anterior portion of valve; umbonal angle 98 degrees; right valve and interior features not observed.
Auricles embrace the culm and are completely white, unlike other Oryza species that present purple-colored auricles (Zamora et al.
Leaflets oblong (longer than wide) and usually more than 9 mm long; auricles (lobes) present at base of leaflets.
infundibulum uses the ciliary lining of its auricles to create a feeding current that entrains low-speed and weakly swimming prey that are entrapped on a network of fine tentillae located near the oral region (4).
Ruffato conceptualizes his life experience as a radiologist and radio biologist through a wealth of scientific terminologies that become constituent parts of his creation: "wise synapsis," "enzyme," "clear cell's knots," "atria auricles ventricles," "the chromosome patrimony.
I'm a San Francisco Forty-Niner fan with a heavy residue of Green Bay Packer backer clinging to the auricles of my gridiron heart.
Bipalium kewense Moseley, 1878 (Family Bipaliidae von Graff, 1896) -- Body elongate, strape-shaped; head semilunar with posterior margin virtually straight without recurved auricles.
On examination bilateral bat ears, accessory auricles (Fig 2, 3), hypertelorism (Fig 1), hyperactive attention deficit.
A petrified auricle is a rare condition in which one or both auricles become stony hard and incapable of being folded.