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amniotic sac中文是什么意思

发音:  
用"amniotic sac"造句"amniotic sac"怎么读"amniotic sac" in a sentence"amniotic sac"的同义词

中文翻译手机手机版

  • 羊膜囊, 羊膜

例句与用法

  • Amniocentesis is the removal of fluid from the amniotic sac .
    羊膜穿刺术是从羊膜囊抽取羊水的技术。
用"amniotic sac"造句  

英文解释

  • thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)
    同义词:amnion, amnios,

百科解释

The amniotic sac (also bag of waters) is the sac in which the fetus develops in amniotes. It is a tough but thin transparent pair of membranes, which hold a developing embryo (and later fetus) until shortly before birth.
详细百科解释
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