Table of Contents > Health Dictionary > Interatrial foramen primum

Interatrial foramen primum

1. In the embryonic heart, the temporary opening between right and left atria situated between the lower margin of the septum primum and the atrioventricular canal cushions. 2. In an adult heart, the abnormal persistence of the so-named communication, which is normal in young embryos.
    Delicious Living
    Top Health
    To learn more, select a condition from the following menu.

    Healthy Living Marketplace
    American Health
    Renew Life
    Bakery on Main
    Carlson Labs
    Now Food