Synonyms of amnios

Noun

1. amnion, amniotic sac, amnios, sac

usage: thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)

Noun

1. amnion, amniotic sac, amnios, sac

usage: (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