Dictionary

amniocentesis

noun am·nio·cen·te·sis \ˌam-nē-ō-(ˌ)sen-ˈtē-səs\

medical : a test that is done to check for possible health problems in a baby that is not yet born

plural am·nio·cen·te·ses\-ˌsēz\

Full Definition of AMNIOCENTESIS

:  the surgical insertion of a hollow needle through the abdominal wall and into the uterus to obtain amniotic fluid especially for the determination of fetal sex or chromosomal abnormality

Origin of AMNIOCENTESIS

New Latin, from amnion + centesis puncture, from Greek kentesis, from kentein to prick — more at center
First Known Use: 1957
Medical Dictionary

amniocentesis

noun am·nio·cen·te·sis \ˌam-nē-ō-(ˌ)sen-ˈtē-səs\
plural am·nio·cen·te·ses \-ˌsēz\

Medical Definition of AMNIOCENTESIS

:  the surgical insertion of a hollow needle through the abdominal wall and into the uterus of a pregnant female to obtain amniotic fluid especially to examine the fetal chromosomes for an abnormality and for the determination of sex

Illustration of AMNIOCENTESIS

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