Copy Right- Hongqi omy-Fudan University Special veins Inferi Cavernous sinus Diploic veins Sinuses of dura mater Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan UniversityCopy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Diploic veins Sinuses of dura mater Special veins