A chorionic villus is a minute vascular projection on the fetal chorion.
绒膜绒毛是胎儿绒毛膜上的一种微小的血管凸出物.
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Objective To determine value of chorionic villus sampling ( CVS ) in early diagnosis of severe thalassemia.
目的探讨绒毛活检在重型地中海贫血早期诊断的应用价值.
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Confirmation with chorionic villus sampling ( CVS ), amniocentesis or other testing is still necessary.
仍然需要用绒毛膜取样 ( CVS ), 羊水检查等其他检查确认.
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