50.5 MB (5.0 MB compressed)
3900 x 4526 pixels
33.0 x 38.4 cm ⏐ 13.0 x 15.1 in (300dpi)
ENRICO MUGNAINI, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY ENRICO MUGNAINI, VISUALS UNLIMITED / SCIENCE PHOTO LIBRARY
Cross-section showing the myelin sheath surrounding the axon of a peripheral nerve. Myelin is formed by Schwann cells and serves to insulate the axon electrically and to increase the rate of transmission of a nervous impulse. TEM X120,000.
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