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