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There are 2 glossary search results for:   atria




Definition:
Thick connective tissue that separates the atria and the ventricles. It is also referred to as fibrous skeleton of the heart. Despite its name, it is important to note that there is no bone in this tissue.



Definition:
The component of the electrocardiogram (ECG) that corresponds to the depolarization of atrial myocytes. Atrial depolarization precedes atrial contraction.

Related glossary terms/phrases:
QRS complex
T wave









Posted: Sunday, March 31, 2013
Last updated: Friday, August 28, 2015