Fig. 10From: The influence of Osmunda regalis root extract on head and neck cancer cell proliferation, invasion and gene expressionAnalysis of angiogenesis with the tube formation assay. HUVEC tube formation was measured in untreated endothelial cells (Co) and endothelial cells treated with O. regalis extract (0.85µg/ml). For evaluation total tube length (measured in pixels px), number of branching points, number of total loops and percentage covered area (%) were measuredBack to article page