Fig. 9From: Photobiological modulation of hepatoma cell lines and hepatitis B subviral particles secretion in response to 650 nm low level laser treatmentHepG2 cells of the control group (non-irradiated cells) showed a fairly regular cell membrane. A moderate number of small mitochondria, (green arrow). Oval shape euchromatic nucleus with irregular nuclear membrane, (yellow line), nucleus surface area length was 2012717 μm.2. A large peripheral irregular nucleolus, nucleolus diameter (1.6 μm). Autophagy vacuoles, (blue arrow). × 5600Back to article page