a fetus with an extremely large 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.
macrocardius(măk″rō-kăr′dē-ŭs) [″ + kardia, heart]
An individual with an abnormally large heart; caused by congenital heart disease.
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