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Definition of Atrium

Babylon English

chamber of the heart (Anatomy)
Atrium Definition from Arts & Humanities Dictionaries & Glossaries
JM Latin-English Dictionary
N
atrium| reception hall in a Roman house; auction room; palace (pl.)| house
Atrium Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
The main part of either auricle of the heart as distinct from the auricular appendix. Also, the whole articular portion of the heart.
  
(n.)
An open court with a porch or gallery around three or more sides; especially at the entrance of a basilica or other church. The name was extended in the Middle Ages to the open churchyard or cemetery.
  
(n.)
A square hall lighted from above, into which rooms open at one or more levels.
  
(n.)
A cavity in ascidians into which the intestine and generative ducts open, and which also receives the water from the gills. See Ascidioidea.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

atrium
see under atonement
atrium
\a"tri*um\ (&?;), n.; pl. atria (&?;). [l., the fore court of a roman house.]
1. (arch.) (a) a square hall lighted from above, into which rooms open at one or more levels. (b) an open court with a porch or gallery around three or more sides; especially at the entrance of a basilica or other church. the name was extended in the middle ages to the open churchyard or cemetery.
2. (anat.) the main part of either auricle of the heart as distinct from the auricular appendix. also, the whole articular portion of the heart.
3. (zo?l.) a cavity in ascidians into which the intestine and generative ducts open, and which also receives the water from the gills. see ascidioidea.


  similar words(6) 



 right atrium of the heart 
 atrium dextrum 
 right atrium 
 oblique vein of the left atrium 
 left atrium of the heart 
 left atrium 
GLOSSARY OF ESOTERIC WORDS
an anatomical cavity or passage; esp: the chamber or either of the chambers of the heart that receives blood from the veins and forces it into the ventricle or ventricles--see heart illustration
WordNet 2.0

Noun
1. any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)
(hypernym) chamber
(hyponym) atrium cordis, atrium of the heart
2. the central area in a building; open to the sky
(hypernym) court, courtyard
Atrium Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Atrium may refer to:
  • Atrium (architecture), a large open space within a building, often featuring a glass roof
  • Atrium (cinemas), movie theatre in Karachi, Pakistan
  • Atrium (alveoli), microscopic air sacs in lungs
  • Atrium (heart), an anatomical structure of the heart
  • Atrium of the ventricular system of the brain
  • Atrium (Cardiff), a University of South Wales building in Cardiff
  • Atrium, the genital structure next to the genital aperture in the reproductive system of gastropods

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Atrium Definition from Entertainment & Music Dictionaries & Glossaries
English to Federation-Standard Golic Vulcan
tvi-shal
Atrium Definition from Medicine Dictionaries & Glossaries
Aging Hearts and Arteries Glossary
One of the two upper chambers of the heart. The right atrium receives blood depleted of oxygen from the veins; the left atrium receives blood with fresh oxygen from the lungs. The left atrial cavity enlarges with age.
Source: National Institute on Aging
Dictionary of Medicine (Shahram)
An entry chamber. On both sides of the heart, the atrium is the chamber leading to the ventricle.
Lung Diseases Glossary
One of the two receiving chambers of the heart.
The right atrium receives oxygen-poor blood from the body. The left atrium receives oxygen-rich blood from the lungs. The plural of atrium is atria.
Context: Pulmonary Arterial Hypertension
Sources: DHHS, NIH and NHLBI