cardial sac

• 心包

cardial sac的用法和样例：

例句

1. The heart sounds are muffled when the pericardial sac is distended with fluid.
   当心包充满液体时心音减弱。
2. An esophagogram revealed an esophagopericardial fistula connected between the lower esophagus and the pericardial sac.
   尔后食道显影检查也确立一食道心包膜瘘管位于食道及心包膜腔之问。