amniocentesis: Meaning and Definition of
Pronunciation: (am"nē-ō-sen-tē'sis), [key]
— pl. -ses
- a surgical procedure for obtaining a sample of amniotic fluid from the amniotic sac in the uterus of a pregnant woman by inserting a hollow needle through the abdominal wall, used in diagnosing certain genetic defects or possible obstetric complications.
- amniocentesis (Thesaurus)