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Medical Term:

sinus of the vena cava


the portion of the cavity of the right atrium of the heart that receives the blood from the venae cavae; it is separated from the rest of the atrium by the crista terminalis.

Synonym(s): sinus venarum cavarumTA

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