Noun amnio has 1 sense
  1. amniocentesis, amnio - (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
    --1 is a kind of sac; centesis; prenatal diagnosis; sac; centesis; prenatal diagnosis
    --1 is a part of amniote; fetal membrane
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