Atrial vs. Atrium — What's the Difference?
Difference Between Atrial and Atrium
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Atrial
Of or relating to an architectural atrium.
Atrium
An open-roofed entrance hall or central court in an ancient Roman house.
Atrial
Of or relating to an anatomical atrium.
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.
Atrial
Of or pertaining to an atrium, especially the atrium of the heart.
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Atrium
A usually skylit central area, often containing plants, in some modern buildings, especially of a public or commercial nature.
Atrial
Of or pertaining to an atrium.
Atrium
The open area in the center of an ancient Roman house.
Atrial
Of or relating to a cavity or chamber in the body (especially one of the upper chambers of the heart)
Atrium
The forecourt of a building, such as an early Christian church, enclosed on three or four sides with porticoes.
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.
Atrium
(architecture) A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.
Atrium
(architecture) A square hall lit by daylight from above, into which rooms open at one or more levels.
Atrium
(anatomy) A cavity, entrance, or passage.
An atrium of the infundibula of the lungs
Atrium
(biology) Any enclosed body cavity or chamber.
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.
Atrium
(anatomy) A microscopic air sac within a pulmonary alveolus.
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.
Atrium
A square hall lighted from above, into which rooms open at one or more levels.
Atrium
The main part of either auricle of the heart as distinct from the auricular appendix. Also, the whole articular portion of the heart.
Atrium
A cavity in ascidians into which the intestine and generative ducts open, and which also receives the water from the gills. See Ascidioidea.
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.
Atrium
Any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)
Atrium
The central area in a building; open to the sky
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