amniocentesis
[ am-nee-oh-sen-tee-sis ]
/ ˌæm ni oʊ sɛnˈti sɪs /
noun, plural am·ni·o·cen·te·ses [am-nee-oh-sen-tee-seez] /ˌæm ni oʊ sɛnˈti siz/.
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.
Words nearby amniocentesis
amnestic syndrome,
amnesty,
amnesty international,
amnio,
amnio-,
amniocentesis,
amniochorial,
amniogenesis,
amniography,
amnioma,
amnion
Example sentences from the Web for amniocentesis
So when Sarah was 16 weeks pregnant, she got an amniocentesis.
British Dictionary definitions for amniocentesis
amniocentesis
/ (ˌæmnɪəʊsɛnˈtiːsɪs) /
noun plural -ses (-siːz)
removal of some amniotic fluid by the insertion into the womb of a hollow needle, for therapeutic or diagnostic purposes
Word Origin for amniocentesis
C20: from
amnion +
centesis, from Greek
kentēsis a puncture, from
kentein to prick
Medical definitions for amniocentesis
amniocentesis
[ ăm′nē-ō-sĕn-tē′sĭs ]
n. pl. am•ni•o•cen•te•ses (-sēz′)
A procedure in which a small sample of amniotic fluid is drawn out of the uterus through a needle inserted in the abdomen and is then analyzed to detect genetic abnormalities in the fetus or to determine the sex of the fetus.
Scientific definitions for amniocentesis
amniocentesis
[ ăm′nē-ō-sĕn-tē′sĭs ]
A procedure usually done about the sixteenth week of pregnancy in which a small sample of amniotic fluid is drawn out of the uterus through a needle inserted in the abdomen. The fluid is analyzed to determine the gender of the fetus or the presence of genetic abnormalities.
Cultural definitions for amniocentesis
amniocentesis
[ (am-nee-oh-sen-tee-sis) ]
A procedure for finding certain disorders in a fetus during pregnancy. In amniocentesis, a small amount of the salty liquid that surrounds the fetus in the amniotic sac is drawn out through a needle inserted into the mother's abdomen. The fluid generally contains some isolated cells from the fetus. These cells are analyzed to detect abnormalities in the chromosomes of the fetus, such as Down's syndrome, and may also be used to judge some other conditions, such as the maturity of the fetus's lungs.