A venous valve is bicuspid (acquiring two leaflets) and is also shaped by an infolding of Section of the tunica intima on either aspect on the lumen on the veins. The leaflets are strengthened with collagen, and elastic fibres, and coated with endothelium.[ten] The endothelial cells to the surfaces of http://sgvascularctr.com/understanding-venous-leak-treatment-in-singapore/