An avulsed skin flap and traditional island flap were made on each hind leg of the swine respectively, and the latter was used as control.

• 方法以猪为实验动物，在后肢形成撕脱和常规岛状皮瓣，采用血管铸型方法，在扫描电镜下观察撕脱皮瓣微血管铸型。