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Auricle vs. Atrium — What's the Difference?

Auricle vs. Atrium — What's the Difference?

Difference Between Auricle and Atrium

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Auricle

The outer projecting portion of the ear. Also called pinna.
Sep 24, 2021

Atrium

An open-roofed entrance hall or central court in an ancient Roman house.
Sep 24, 2021

Auricle

See atrium.
Sep 24, 2021

Atrium

Each of the two upper cavities of the heart from which blood is passed to the ventricles. The right atrium receives deoxygenated blood from the veins of the body, the left atrium oxygenated blood from the pulmonary vein.
Sep 24, 2021

Auricle

(Biology) An earlobe-shaped part, process, or appendage, especially at the base of an organ.
Sep 24, 2021
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Atrium

A usually skylit central area, often containing plants, in some modern buildings, especially of a public or commercial nature.
Sep 24, 2021

Auricle

(biology) Any appendage in the shape of an ear or earlobe.
Sep 24, 2021

Atrium

The open area in the center of an ancient Roman house.
Sep 24, 2021

Auricle

(anatomy) The outer ear or pinna.
Sep 24, 2021

Atrium

The forecourt of a building, such as an early Christian church, enclosed on three or four sides with porticoes.
Sep 24, 2021

Auricle

(anatomy) atrium.
Sep 24, 2021

Atrium

(Anatomy) A body cavity or chamber, especially either of the upper chambers of the heart that receives blood from the veins and forces it into a ventricle. Also called auricle.
Sep 24, 2021

Auricle

(anatomy) An anterior ear-shaped appendage of the left or right atrium of the human heart.
Sep 24, 2021

Atrium

(architecture) A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.
Sep 24, 2021

Auricle

The external ear, or that part of the ear which is prominent from the head.
Sep 24, 2021

Atrium

(architecture) A square hall lit by daylight from above, into which rooms open at one or more levels.
Sep 24, 2021

Auricle

An angular or ear-shaped lobe.
Sep 24, 2021

Atrium

(anatomy) A cavity, entrance, or passage.
An atrium of the infundibula of the lungs
Sep 24, 2021

Auricle

An instrument applied to the ears to give aid in hearing; a kind of ear trumpet.
Sep 24, 2021

Atrium

(biology) Any enclosed body cavity or chamber.
Sep 24, 2021

Auricle

A small conical pouch projecting from the upper anterior part of each atrium of the heart
Sep 24, 2021

Atrium

(anatomy) An upper chamber of the heart that receives blood from the veins and forces it into a ventricle. In higher vertebrates, the right atrium receives blood from the superior vena cava and inferior vena cava, and the left atrium receives blood from the left and right pulmonary veins.
Sep 24, 2021

Auricle

The externally visible cartilaginous structure of the external ear
Sep 24, 2021

Atrium

(anatomy) A microscopic air sac within a pulmonary alveolus.
Sep 24, 2021

Atrium

(palynology) A cavity inside a porate aperture of a pollen grain formed by the separation of the sexine and nexine layers, widening toward the interior of the grain.
Sep 24, 2021

Atrium

A square hall lighted from above, into which rooms open at one or more levels.
Sep 24, 2021

Atrium

The main part of either auricle of the heart as distinct from the auricular appendix. Also, the whole articular portion of the heart.
Sep 24, 2021

Atrium

A cavity in ascidians into which the intestine and generative ducts open, and which also receives the water from the gills. See Ascidioidea.
Sep 24, 2021

Atrium

A cavity, entrance, or passage; as, the atrium, or atrial cavity, in the body wall of the amphioxus; an atrium of the infundibula of the lungs, etc.
Sep 24, 2021

Atrium

Any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)
Sep 24, 2021

Atrium

The central area in a building; open to the sky
Sep 24, 2021

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