J.W. SHULER / SCIENCE PHOTO LIBRARY J.W. SHULER / SCIENCE PHOTO LIBRARY
Cancer cells. Polarised light micrograph of cancerous liver cells. The cell in the centre is undergoing cell division (mitosis). It is in the anaphase, the phase when the chromosomes (white) move to the opposite ends of the cell, pulled by the microtubles (yellow). Actin microfilaments make up the cytoskeleton (red). The cancer has spread to the liver, a process known as metastasis. Secondary liver cancer is incurable, but life can be prolonged with anti-cancer drugs.
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