bag of waters

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bag of waters



(ˈæm ni ən)

n., pl. -ni•ons, -ni•a (-ni ə)
the innermost membrane of the sac surrounding the embryo in reptiles, birds, and mammals, enclosing the amniotic fluid.
[1660–70; < Greek amníon, derivative of amnós lamb (see yean)]
am`ni•ot′ic (-ˈɒt ɪk) am`ni•on′ic, adj.
References in periodicals archive ?
During this time Marilee asked me how we wanted to break the bag of waters once he was born.
At 3:48 PM, after almost two hours of pushing, the baby emerged and broke the bag of waters as he did.