CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Brain cancer. Light micrograph of a section through brain tissue, showing a protoplasmic astrocytoma. Protoplasmic astrocytomas are low grade (grade II) tumours that arise from astrocyte cells in the brain. They are usually benign (non-cancerous) but can become malignant (cancerous), as here.
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