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.
Healthy Living Marketplace
Lily of the Desert
Now Food
Natural Vitality
North American Herb & Spice
Wakunaga of America