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11.2 MB (876.2 KB compressed)
2100 x 1859 pixels
17.8 x 15.7 cm ⏐ 7.0 x 6.2 in (300dpi)
STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Osteoporotic bone. Coloured scanning electron micrograph (SEM) of fractured bone tissue from a patient suffering from osteoporosis (brittle bone disease). Osteoporosis causes a reduction in overall bone mass and an increase in the bone's porosity, making it more brittle and likely to fracture. It commonly affects the elderly and post-menopausal women, who experience a decrease in levels of the hormone oestrogen. It may also develop after injury or infection. Oestrogen repl- acements and drugs that slow the rate of bone loss are used to treat the disease. This is cancellous or spongy bone tissue from the centre of a long bone. Magnification unknown.
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