Auricle vs. Atrium

Auriclenoun

(anatomy) The outer ear or pinna.

Atriumnoun

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

Auriclenoun

(anatomy) An ear-shaped appendage of the left or right atrium of the heart.

Atriumnoun

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

Auriclenoun

(anatomy) An atrium, the smaller of the two types of chamber in the heart.

Atriumnoun

(anatomy) A cavity, entrance, or passage.

‘an atrium of the infundibula of the lungs’;

Auriclenoun

(botany) Any appendage in the shape of an earlobe.

Atriumnoun

(anatomy) One of two upper chambers of the heart.

Auriclenoun

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

Atriumnoun

(biology) Any enclosed sexine and nexine layers, widening toward the interior of the grain.

Auriclenoun

An angular or ear-shaped lobe.

Atriumnoun

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

Auriclenoun

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

Atriumnoun

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

Auriclenoun

a small conical pouch projecting from the upper anterior part of each atrium of the heart

Atriumnoun

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

Auriclenoun

the externally visible cartilaginous structure of the external ear

Atriumnoun

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.

Atriumnoun

any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)

Atriumnoun

the central area in a building; open to the sky

Atriumnoun

an open-roofed entrance hall or central court in an ancient Roman house.

Atriumnoun

a central hall in a modern building, typically rising through several stories and having a glazed roof.

Atriumnoun

the forecourt of a large church built on the basilican plan.

Atriumnoun

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.