The experiments contrasted the contents of soluble hydroxyproline and the activity of SOD in the dermis of the aged rats by surrounding needling on its abdomen skin.

• 目的:本实验通过对老龄大鼠针刺治疗前后皮肤可溶性羟脯氨酸含量及SOD活性进行比较,同时设立青年对照组,旨在研究局部围刺法抗皮肤老化的作用机理。