Sinoatrial node: Difference between revisions
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imported>Howard C. Berkowitz (New page: {{subpages}} <!-- Text is transcluded from the BASEPAGENAME/Definition subpage-->) |
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Latest revision as of 05:41, 18 January 2011
Sinoatrial node [r]: The part of the mammalian heart in which electrical signals triggering heart contractions normally begin [e]
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