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Noun1.acardia - congenital absence of the heart (as in the development of some monsters)
teras, monster - (medicine) a grossly malformed and usually nonviable fetus
abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies
References in periodicals archive ?
It has to be differentiated from fetus acardia amorphous.
The recipient twin develops severe anomalies often referred to as acardia, incompatible with life.