atrium

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atrium

(ā`trēəm), term for an interior court in Roman domestic architecture and also for a type of entrance court in early Christian churches. The Roman atrium was an unroofed or partially roofed area with rooms opening from it. In early times its center held a cooking hearth. After the 2d cent. B.C., when the hearth was placed elsewhere, the center of the atrium held a tank (impluvium) to receive rainwater falling through the opening, which also furnished light to the surrounding rooms. In more luxurious and complex Roman dwellings, the private apartments had a court of their own, called the peristyle, and the atrium served merely as a semipublic reception hall. The ruins of Pompeii contain remains of atria in their various forms. In early Christian churches, the atrium was a large arcaded or colonnaded open court, serving as a general meeting place, in front of the church itself, with a fountain used for ablutions in its center. The basilican churches of Sant'Ambrogio in Milan and San Clemente in Rome have noteworthy atria. This type of large forecourt is also a characteristic element of the Muslim mosque. The term also refers to a modern building's central court, an often soaring interior space with a large skylight. Creating a flood of natural light and usually filled with plants, the feature has become practically ubiquitous in contemporary architecture; it is used predominantly in commercial buildings.

Atrium

The forecourt of an early Christian basilica, with colonnades on all four sides, and usually a fountain in the center. It was derived from the entrance court or hall of a Roman dwelling, roofed to leave a large opening to admit light. Rain was received in a cistern below. The modern version is a common vertical space with skylights in an office or hotel complex.

atrium

[′ā·trē·əm]
(anatomy)
The heart chamber that receives blood from the veins.
The main part of the tympanic cavity, below the malleus.
The external chamber to receive water from the gills in lancelets and tunicates.
(architecture)
An open court located within a building.

atrium

atrium, 2
atrium, 1
1.. The main hall of an ancient Roman house, containing an opening to the sky

atrium

1. the open main court of a Roman house
2. a central often glass-roofed hall that extends through several storeys in a building, such as a shopping centre or hotel
3. a court in front of an early Christian or medieval church, esp one flanked by colonnades
4. Anatomy a cavity or chamber in the body, esp the upper chamber of each half of the heart
References in periodicals archive ?
Patients who underwent elective valvular replacement, had rheumatic heart disease in combination with continuous atrial fibrillation, had no other types of arhythmia, had cardiac function no higher than grade III,9 satisfied the application indication of amiodarone, had normal level of electrolyte and acidity and alkalinity, and had heart rate lower than 70 times/min were included.
According to the company, Brinavess (vernakalant HCl, IV) is an antiarrhythmic drug that acts preferentially in the atria by prolonging atrial refractoriness and slowing impulse conduction in a rate-dependent fashion.
The reported incidence of right atrial thrombus is around 12.5% in literature, RAWT is the rarest form of right atrial thrombus.
Current concept of transcatheter closure of atrial septal defect in adults.
Comparative effectiveness of interventions for stroke prevention in atrial fibrillation: a network meta-analysis.
Our study investigated whether depression is also linked with atrial fibrillation," said study's author Morten Fenger-GrEaA[sup.1]n.
Moreover, the development of new drugs has been hindered by the difficulty in isolating and maintaining human atrial cardiomyocytes, or heart muscle cells.
The good news from the study is that people with atrial fibrillation who were taking anticoagulants, or blood thinners, to keep their blood from clotting were actually less likely to develop dementia than those who did not take blood thinners.
Atrial fibrillation was found in 33 (20.2%) patients with acute ischemic stroke.
Many studies also revealed PPIs as a causative factor for atrial fibrillation.
ISLAMABAD -- Over weight males develop a type of irregular heartbeat, known as Atrial fibrillation, about a decade earlier than women, a new study said.