Fig. 2From: Comparison of cytotoxicity between extracts of Clinacanthus nutans (Burm. f.) Lindau leaves from different locations and the induction of apoptosis by the crude methanol leaf extract in D24 human melanoma cellsMorphological changes (arrows) in the D24 melanoma cells treated with the crude MeOH C. nutans leaf extract. Phase contrast images (20×) of cells after 24 h exposure to no treatment (a), extract at 1 mg/mL (b) and 2 mg/mL (c); 72 h exposure to no treatment (d), extract at 1 mg/mL (e) and 2 mg/mL (f)Back to article page