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Medical Term:

aortic vestibule


the anterosuperior portion of the left ventricle of the heart immediately below the aortic orifice, having fibrous walls and affording room for the segments of the closed aortic valve.

Synonym(s): vestibulum aortaeTA, Sibson aortic vestibule

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.