DON W. FAWCETT / SCIENCE PHOTO LIBRARY DON W. FAWCETT / SCIENCE PHOTO LIBRARY
Scanning Electron Micrograph (SEM) of mammary gland cells. The tissue was treated with enzymes to digest away collagen fibrils, extracellular matrix, etc; thus exposing the bases of epithelial and myoepithelial cells. Magnification unknown.
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