Copy Right-Honaiai zHAAiG-Denarment of Anatnmy-Fudan University lymphatic vessels Four grades LYmphatic capillary similar with capillary, but With more permeability(no base membrane pericyte thin endothelium, wide intercellular spaces) C Lymphatic vessel similar with vein,w with valve, sup and deep group. beaded lymph node LYmphatic trunk nine, four-paried one-unparied one LYmphatic duct thoracic duct and right lymph duct 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 lymphatic vessels Four grades: Lymphatic capillary similar with capillary,but With more permeability (no base membrane & pericyte, thin endothelium, wide intercellular spaces) Lymphatic vessel similar with vein,with valve, sup. and deep group.beaded lymph node Lymphatic trunk nine,four-paried one-unparied one Lymphatic duct thoracic duct and right lymph duct