SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Light micrograph of squamous cell carcinoma, a highly malignant tumour developing from the surface epithelium of the human tongue. The tumour forms interconnecting tracts or bands of cells which invade the underlying light & comparatively unstained connective tissue. Invasion of adjacent tissue is one of the features of a malignant tumour as distinct from a benign tumour. Magnification: x40 at 35mm size.
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