Sinoatrial Node

"Sinoatrial Node" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.
MeSH information
The small mass of modified cardiac muscle fibers located at the junction of the superior vena cava (VENA CAVA, SUPERIOR) and right atrium. Contraction impulses probably start in this node, spread over the atrium (HEART ATRIUM) and are then transmitted by the atrioventricular bundle (BUNDLE OF HIS) to the ventricle (HEART VENTRICLE).

This graph shows the total number of publications written about "Sinoatrial Node" by people in this website by year, and whether "Sinoatrial Node" was a major or minor topic of these publications.
Bar chart showing 556 publications over 28 distinct years, with a maximum of 51 publications in 2007
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