11. The right atrium receives blood almost continuously from the body's two major veins, the foramen ovale . 12. The foramen ovale is continuous with the ostium secundum, again providing for continued shunting of blood. 13. Before the fifth week, there is an opening in the fetal heart known as the foramen ovale . 14. Since neither anatomical structure is a primary topic for the term, Foramen ovale is a disambiguation page. 15. In newborn, the foramen ovale is about 3.85 mm and in the adults about 7.2 mm in length. 16. For example, " foramen ovale " may refer to either the structure of the skull or the heart. 17. There also appears to be a causal link between the presence of a patent foramen ovale and migraines. 18. Therefore, the appropriate article names are Foramen ovale ( skull ) and Foramen ovale ( heart ), respectively. 19. Therefore, the appropriate article names are Foramen ovale ( skull ) and Foramen ovale ( heart ), respectively. 20. A depression in the surface of the right atrium remains where the foramen ovale once walls, called the fossa ovalis.
