(pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities
双语例句
用作名词 (n.)
Amniocentesis is the removal of fluid from the amniotic sac. 羊膜穿刺术是从羊膜囊抽取羊水的技术。
