Fig. 4From: Anticancer effects induced by artichoke extract in oral squamous carcinoma cell linesMorphological changes of SCC-25 cells treated with artichoke extract for b 24 h and c 48 h viewed under an inverted light microscope. Control SCC-25 (a) was also included (× 200 magnification). Black arrows showed normal viable cells while red arrows showed cell shrinkage and nuclear condensation due to apoptosis. Red arrowheads showed the presence of apoptotic bodiesBack to article page