Stress could result in marked reduction of RPF.(2)Electron micrography showed a dramatic increase in cell and mitochondrial volume in the proximal and distal convoluted tubules of high-salt diet rats.

• (2)电镜显示高盐大鼠近曲和远曲小管上皮细胞及线粒体变大,应激则使细胞萎缩、线粒体变小。