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ATPase
atrabilious
atracurium besilate
atrazine
atremble
atresia
Atreus
atria
atrial
atrial fibrillation
atriopeptin
atrioventricular
atrip
atrium
atrocious
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atrial
a·tri·al [ áytree əl ]


adjective 
Definition:
 
of atria of heart: relating to the upper chambers of the heart
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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