Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Fourth ventricle Mesencephalon Rhombencephalon Diencephalon Telencephalon 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