CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Breast tissue. Light micrograph of a section through healthy breast (mammary gland) tissue from a woman who is not pregnant. The glandular tissue, which will become capable of producing milk during pregnancy, is arranged in a lobule (purple-staining, centre right). Adipose (fatty) tissue (white circles, upper left) and fibrous connective tissue (blue-staining) separate the lobules. The lobules are arranged to form 15 to 20 lobes, which drain via the milk-bearing lactiferous ducts to separate openings at the surface of the nipple. Magnification unknown.
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