A venous valve is bicuspid (owning two leaflets) and it is shaped by an infolding of Section of the tunica intima on both facet from the lumen of the veins. The leaflets are strengthened with collagen, and elastic fibres, and included with endothelium.[10] The endothelial cells over the surfaces in http://sgvascularctr.com/understanding-venous-leak-treatment-in-singapore/