Figure 1From: Evaluation of endoscopic vein extraction on structural and functional viability of saphenous vein endothelium Multiphoton images of SV in the transmission mode. Endothelium and smooth muscle cells do not show visible damage and remain intact in vessels harvested by both techniques. OSVH: open saphenous vein harvest; VsEVH: VirtuoSaph endoscopic harvest. Magnification 400X Figure 1a. Intact saphenous vein Figure 1b. Frozen sections: 40 μ mBack to article page