acardiayoudaoicibaDictYouDict[acardia 词源字典]
"Congenital absence of the heart, usually accompanied by other malformations and typically occurring in one of a pair of monochorionic or conjoined twins", Mid 19th cent.; earliest use found in Edinburgh Medical and Surgical Journal. From scientific Latin acardia from ancient Greek + καρδία heart. Compare French acardie.[acardia etymology, acardia origin, 英语词源]