| 释义 |
holoacardius holoacardius [hol″o-ah-kahr´de-us] a malformed monozygotic twin fetus in which the heart is entirely absent.hol·o·a·car·di·us (hol'ō-ă-kar'dē-ŭs), 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. [holo- + G. a- priv. + kardia, heart] |