Definition: A separate, grossly defective twin lacking a heart of its own, its blood supply being dependent on a shunt from the placental circulation of a more nearly normal twin; a placental parasitic twin or omphalosite.
[holo- + G. a- priv. + kardia, heart]
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.