amniotic sac

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Related to amniotic sac: placenta, amniotic fluid, yolk sac
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  • noun

Synonyms for amniotic sac

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

References in periodicals archive ?
An adhesive that can prevent the amniotic sac from tearing could help the fetus remain in the womb longer, which would potentially lead to a healthier future for the baby.
To test their material, the researchers used pieces of a membrane that surrounds a cow's heart as a model of the amniotic sac.
The cells spontaneously developed some of the same structural and molecular features seen in a natural amniotic sac, which is an asymmetric, hollow ball-like structure containing cells that will give rise to a part of the placenta as well as the embryo itself.
Levels may also be high if there is too little fluid in the amniotic sac around the baby, if there's more than one baby, or if the pregnancy is further along than estimated.
A baby was successfully delivered while still inside its fully intact amniotic sac, the fluid-filled sac inside the womb that contains and protects the fetus, in a hospital in Spain last week.
In the days before Georgianna was born, medical staff spotted debris in the baby's amniotic sac.
They discovered that baby Jessica had been born still inside her amniotic sac - a rare situation occurring in only one in 80,000 births.
It meant a difficult monochorionic monoamniotic (MoMo) pregnancy for mum Danielle, 28, from Stockton, who had to be monitored three times a day every day due to them sharing the same amniotic sac -although they did not realise they were mirrorimage until after the birth.
I always clean off the nose if the head is out and the amniotic sac is broken, so the kid doesn't aspirate fluid.
Lisa, 40, first became concerned about her unborn son when doctors discovered the amniotic sac was not attached to the wall of her womb.
Formation of the amniotic sac coincides with formation of the yolk sac, but is usually not visible at this early stage secondary to its very thin membrane.
A ruptured her amniotic sac with her fingernail, precipitating labor.
v) Interval between appearance of amniotic sac and first fore limb.
No POC tests for CMV are currently cleared by the US FDA, and testing involves drawing of fluid from the amniotic sac.