Definition: a cavity at the caudal end of the embryonic cardiac tube in which the veins from the intraembryonic and extraembryonic circulatory arcs unite; in the course of development, it forms the portion of the right atrium known in adult anatomy as the sinus of the vena cava.
Synonym(s): saccus reuniens
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.