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Pronunciation: ā-kar′dē-ă

Definition: Congenital absence of the heart; a condition sometimes occurring in one member of monozygotic twins or in one member of conjoined twins when one partner monopolizes the placental blood supply; can also occur in triplet pregnancies.

[G. a- priv. + kardia, heart]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.