Method:Smooth muscle cell from human umbilical artery was cultured in vitro. 4~5 th generation were took for use.

方法：人脐带动脉平滑肌细胞体外原代培养，传至4～5代用于实验。

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Method:Smooth muscle cell from human umbilical artery was cultured in vitro. 4~5 th generation were took for use.

方法：人脐带动脉平滑肌细胞体外原代培养，传至4～5代用于实验。

youdao