Atrium may refer to:
Anatomy
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Atrium (heart)
The atrium (; : atria) is one of the two Heart#Chambers, upper chambers in the heart that receives blood from the circulatory system. The blood in the atria is pumped into the Ventricle (heart), heart ventricles through the atrioventricular valve ...
, an anatomical structure of the heart
* Atrium, the genital structure next to the genital aperture in the
reproductive system of gastropods
The reproductive system of gastropods (slugs and snails) varies greatly from one group to another within this very large and diverse taxonomic class of animals. Their reproduction, reproductive strategies also vary greatly.
In many marine (ocean ...
* Atrium of the
ventricular system
In neuroanatomy, the ventricular system is a set of four interconnected cavities known as cerebral ventricles in the brain. Within each ventricle is a region of choroid plexus which produces the circulating cerebrospinal fluid (CSF). The ventric ...
of the brain
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Pulmonary alveolus
A pulmonary alveolus (; ), also called an air sac or air space, is one of millions of hollow, distensible cup-shaped cavities in the lungs where pulmonary gas exchange takes place. Oxygen is exchanged for carbon dioxide at the blood–air bar ...
(also known as atrium alveolus), microscopic air sac in the lungs
Architecture
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Atrium (architecture)
In architecture, an atrium (: atria or atriums) is a large open-air or skylight-covered space surrounded by a building.
Atria were a common feature in Ancient Roman dwellings, providing light and ventilation to the interior. Modern atria, as d ...
, an open space within a building, either open to the sky or featuring a glass roof
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Ancient Roman atrium, a grand entrance hall, reception room, and living room in a traditional Roman house.
Specific buildings
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Amot Atrium Tower, a tower in Ramat Gan, Israel
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Atrium, Cardiff, a University of South Wales building in Cardiff
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Atrium Building, a skyscraper in Guatemala City
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Atrium Casino, a casino in Dax, France
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Atrium Cinemas, a movie theatre in Karachi, Pakistan
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Winter Garden Atrium, a Brookfield Properties building in the World Financial Center of the World Trade Center, New York City
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Atrium on Bay, a retail and office complex in Toronto, Canada
Companies
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Atrium Health
Charlotte-Mecklenburg Hospital Authority (trade name, doing business as Atrium Health, formerly Carolinas HealthCare System) was a hospital network with more than 70,000 employees and, since its merger with Advocate Aurora Health in 2022. It ope ...
, based in Charlotte, North Carolina
See also
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The Atrium (disambiguation)
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