“外膜的”造句

血管周围细胞的营养不足,引起外膜的变性.
Inadequate cell nutrition around vessels causes degeneration of tunica adventitia.

假性动脉瘤一词用于只有一层动脉外膜的动脉瘤.
A false aneurysm is the term applied when only the adventitia is present.

抗原是革兰阴性菌外膜的重要组分.
O - antigen in an important component of outer membrane of Gram - negative bacteria.

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