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sinter
Sintra
Sintu
sinuate
sinuosity
sinuous
sinus
Sinus Iridum
sinus node
sinus venosus
sinusitis
sinusoid
sinusoidal projection
Siouan
Sioux
Sioux City
Sioux Falls
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sinus node
si·nus node (plural si·nus nodes)


noun 
Definition:
 
anatomy 
Same as  sinoatrial node
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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