amniocentesis
amniocentesis[ˌamnɪəʊsɛnˈtiːsɪs](pl. amniocenteses -siːz)- a process in which amniotic fluid is sampled using a hollow needle inserted into the uterus, to screen for abnormalities in the developing fetus
羊膜穿刺术
语源- 1950s: from amnion + Greek kentēsis 'pricking' (from kentein 'to prick')
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