tunica adventitia

• 外膜

tunica adventitia的用法和样例：

例句

1. Inadequate cell nutrition around vessels causes degeneration of tunica adventitia.
   血管周围细胞的营养不足，引起外膜的变性。
2. A false aneurysm is the term applied when only the adventitia is present.
   假性动脉瘤一词用于只有一层动脉外膜的动脉瘤。