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holoacardius |
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holoacardius [hol′ō·ākär′dē·əs] Etymology: Gk, holos + kardia, heart a separate, grossly defective monozygotic twin fetus. It is usually a shapeless, nonformed mass in which the heart is absent and the circulation in utero is accomplished totally by the heart of the viable twin through a vascular shunt. holoacardius an unequal twin fetus in which the heart is entirely absent. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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