Septum, interatrial: The wall separating the upper chambers (the atria) of the heart. A hole in the interatrial septum is termed an atrial septal defect (ASD).
inÃ‚Â·terÃ‚Â·aÃ‚Â·triÃ‚Â·al septum (n t r-tr-l) n. The wall between the atria of the heart. septum [sepÃ‚Â´tum] (L.) 1. a wall or partition dividing a body space or cavity.
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interatrial septum definition Function: n : the wall separating the right and left atria of the heart called also atrial septum
Brief and Straightforward Guide: What Is the Interatrial Septum?
The interatrial septum is the wall of tissue that separates the right and left atria of the heart. Development The interatrial septum forms during the first and second ...