interatrial
(redirected from interatrial septum primum)Also found in: Encyclopedia.
interatrial
[in″ter-a´tre-al]between the atria of the heart.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
in·ter·a·tri·al
(in'tĕr-ā'trē-ăl),Between the atria of the heart.
Synonym(s): interauricular (1)
Farlex Partner Medical Dictionary © Farlex 2012
interatrial
Between the upper chambers of the heart.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005