cor triatriatum

[ trī-ā′trē-ātəm ]

n.

A congenital heart abnormality in which the heart has three atrial chambers, the left atrium being subdivided by a transverse septum with a single small opening that separates the openings of the pulmonary veins from the mitral valve.

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Words nearby cor triatriatum

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.