| 释义 | 
		Definition of amniotic sac in English: amniotic sacnoun The fluid-filled sac that contains and protects a fetus in the womb.  Example sentencesExamples -  The outer cells will go on to form the placenta and amniotic sac that the baby will grow in.
 -  Care was exercised not to separate the amniotic sac into its components, the chorion and amnion.
 -  Before a baby is born, it is surrounded by water in the amniotic sac.
 -  The amniotic sac that contains your baby begins to form about 12 days after conception.
 -  This means the membranes holding the amniotic sac, which contains your baby and the amniotic fluid, have started to leak.
 -  There is a very small glimmer of hope that the amniotic sac will reseal itself and fill back up with fluid.
 -  Some cells will go to make the baby and the other will be used to make the placenta and amniotic sac.
 -  The doctor can then open the amniotic sac and remove the baby.
 -  A part of the placenta called the amnion, or the outer membrane of the amniotic sac, is comprised of cells that have strikingly similar characteristics to embryonic stem cells.
 -  Mrs. Marlow's waters had not broken, so Connor was being born inside the amniotic sac.
 
    Definition of amniotic sac in US English: amniotic sacnoun The fluid-filled sac that contains and protects a fetus in the womb.  Example sentencesExamples -  Care was exercised not to separate the amniotic sac into its components, the chorion and amnion.
 -  A part of the placenta called the amnion, or the outer membrane of the amniotic sac, is comprised of cells that have strikingly similar characteristics to embryonic stem cells.
 -  The doctor can then open the amniotic sac and remove the baby.
 -  The amniotic sac that contains your baby begins to form about 12 days after conception.
 -  Before a baby is born, it is surrounded by water in the amniotic sac.
 -  This means the membranes holding the amniotic sac, which contains your baby and the amniotic fluid, have started to leak.
 -  Mrs. Marlow's waters had not broken, so Connor was being born inside the amniotic sac.
 -  Some cells will go to make the baby and the other will be used to make the placenta and amniotic sac.
 -  There is a very small glimmer of hope that the amniotic sac will reseal itself and fill back up with fluid.
 -  The outer cells will go on to form the placenta and amniotic sac that the baby will grow in.
 
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