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sinoatrial

sinoatrial in Medicine

sinoatrial si·no·a·tri·al (sī'nō-ā'trē-əl) or si·nu·a·tri·al (sī'nōō-ā'trē-əl, -nyōō-, sĭn'yōō-)
adj.
Abbr. S-A
Relating to the venous sinus and the right atrium of the heart.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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