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，他们还检测到，羊膜 囊 也 破裂了，羊水开始外流。

Conclusion Injection of air to tear - sac is a good method in the therapy of neonate dacryocystitis .

结论 泪囊压力注气 术是治疗新生儿泪 囊炎较为理想的一种自然物理疗法。

Virus sheddings in the tear film and conjunctival sac were isolated and TCID 50 ( 50 % tissue culture infective doses ) were calculated .

同时进行兔结膜 囊 泪液膜病毒分离并计算病毒滴度半数组织细胞感染剂量（TCID50）。