SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY
Collagen fibres. Coloured scanning electron micro- graph (SEM) of collagen fibres from the human oviduct (Fallopian tube). These fibres are from the supportive layer which underlies the folded mucosa of the tube. Collagen is the major structural protein in the body, forming a large part of bones, tendons and tissues. Magnification unknown.
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