amniotic sac

常見例句

Fluid in the amniotic sac surrounding the fetus also contains fetal DNA.
羊膜中的液體包圍這胎兒同樣含有胎兒的DNA。
Worse was to come when tests also confirmed a tear in the amniotic sac, which meant the waters were leaking.
更糟糕的是，他們還檢測(cè)到，羊膜囊也破裂了，羊水開始外流。
If your doctor leaves pieces of the baby, placenta, umbilical cord, or amniotic sac in your body, you may develop pain, bleeding, or a low grade fever.
如果醫(yī)生將胎兒、胎盤、臍帶、或羊膜的碎片滯留在你的身體里，你會(huì)發(fā)生疼痛、出血，或者低燒。