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glossary:atrium [2012/10/16 14:40] (current)
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 +(1) Atrium: One of the two smaller chambers of the [[heart]]. Each atrium consists of an open space with recessed walls. The plural of atrium is atria. ​
 +The right atrium receives deoxygenated [[blood]] from the body through the vena cava and pumps it down into the right ventricle which then sends it to the [[lung]]s. ​
 +The left atrium receives oxygenated blood from the lungs and pumps it down into the left ventricle which delivers it to the body. 
 +Common Misspellings:​ atrum, autrium ​
 +(2) The top filling chamber of the heart. There are two atria - the left and the right, divided by a muscular wall, called the septum. The atrium contracts before the [[ventricle]] to allow optimal filling of the ventricle.
glossary/atrium.txt ยท Last modified: 2012/10/16 14:40 (external edit)