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Medical Definition of Holoacardius
1. 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. Compare: acardius. Origin: holo-+ G. A-priv. + kardia, heart (05 Mar 2000)
Lexicographical Neighbors of Holoacardius
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