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Medical Term:

base of heart


Definition: that part of the heart that lies opposite the apex, formed mainly by the left atrium but to a small extent by the posterior part of the right atrium; it is directed backward and to the right and is separated from the vertebral column by the esophagus and aorta.

Synonym(s): basis cordisTA

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.