Figure 2From: Screening of anti-dengue activity in methanolic extracts of medicinal plants A monolayer sheet of uninfected Vero E6 cells. The normal cells were polygonal with well defined, black nuclei in the centre. The cytoplasm was shaded grey with the cell membranes were clearly demarcated with white lines surrounding the cells. The cells were viewed under inverted microscope at 200× magnification.Back to article page