Conclusion: Pre-embedding cationic colloidal gold (CCG) labelling technique can reveal the anionic sites on the surface of dural vascular endothelial cells qua ntitatively.

• 前包埋阳离子胶体金标记技术可特异性地显示硬脑膜血管内皮细胞表面的阴离子场，并可做定量研究。