STEPHEN GERARD / SCIENCE PHOTO LIBRARY STEPHEN GERARD / SCIENCE PHOTO LIBRARY
Normal breast. Coloured mammogram showing the normal appearance of the breast of a mature woman. Mammography is an X-ray technique that is used to examine the soft tissues of the breast. Its principal use is in screening women for breast cancer. The glandular (milk-secreting) component of the breast, the yellow areas of the image, decreases as a woman approaches menopause. Glandular tissue becomes replaced by adipose tissue, a fibrous connective tissue packed with fat cells: mammograms of post-menopausal women are generally less dense in appearance.
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