cor biloculare

[ bī-lŏk′yə-lârē ]

n.

A congenital heart abnormality in which the interatrial and interventricular septa are absent or incomplete.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.