STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Dividing liver cancer cell. Scanning electron micrograph (SEM) of a hepatocellular carcinoma (HCC) cell undergoing mitosis (nuclear division) and splitting into two daughter cells (left and right). Hepatocellular carcinoma is the most common type of liver cancer. It tends to occur in livers damaged by genetic defects, alcohol abuse, or chronic infection with diseases such as hepatitis B and C. Primary liver cancer, which starts in the liver, is relatively rare in the UK, with about 3, 600 people diagnosed each year. However, because of the prevalence of hepatitis caused by contagious viruses, it accounts for up to half of all cancers in some undeveloped countries. Magnification: x3300 when printed at 10 centimetres wide.
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