50.6 MB (4.9 MB compressed)
4859 x 3641 pixels
41.1 x 30.7 cm ⏐ 16.2 x 12.1 in (300dpi)
STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Colon poly. Light micrograph of a section through a villous adenomatous polyp of colon (large intestine). Polyps are abnormal growths of tissue projecting from a mucous membrane. They arise from glandular epithelial tissue. Villous adenomatous polyps are, by definition, neoplastic. Although they start off benign (non-cancerous), as they grow they almost always become malignant (cancerous) and so such polyps are always surgically removed. Magnification: x150 when printed at 10 centimetres wide. Human tissue.
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