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Medical Term:

fossa ovalis


[NA], an oval depression on the lower part of the septum of the right atrium; it is a vestige of the foramen ovale, and its floor corresponds to the septum primum of the fetal heart;

Synonym(s): saphenous opening

Synonym(s): oval fossa

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