单词	amniotic sac
释义	amniotic sac noun : amnion Example Sentences Recent Examples on the Web The fetus would not be viable outside the womb, and without the protection of the amniotic sac, the woman was vulnerable to an infection that could threaten her life. New York Times, 20 July 2022 En caul is the term used when a baby is born inside the still-intact amniotic sac. Vanessa Etienne, PEOPLE.com, 9 Mar. 2022 En caul is the term used when a baby is born inside the still-intact amniotic sac. Vanessa Etienne, PEOPLE.com, 9 Mar. 2022 En caul is the term used when a baby is born inside the still-intact amniotic sac. Vanessa Etienne, PEOPLE.com, 9 Mar. 2022 En caul is the term used when a baby is born inside the still-intact amniotic sac. Vanessa Etienne, PEOPLE.com, 9 Mar. 2022 En caul is the term used when a baby is born inside the still-intact amniotic sac. Vanessa Etienne, PEOPLE.com, 9 Mar. 2022 En caul is the term used when a baby is born inside the still-intact amniotic sac. Vanessa Etienne, PEOPLE.com, 9 Mar. 2022 En caul is the term used when a baby is born inside the still-intact amniotic sac. Vanessa Etienne, PEOPLE.com, 9 Mar. 2022 See More Word History First Known Use 1831, in the meaning defined above Medical Definition amniotic sac noun : amnion
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