[医] 外膜

tunica adventitia的用法和样例：

例句

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。
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。

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all-purpose capillary viscosimeter