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50.2 MB (50.0 MB compressed)
3659 x 4795 pixels
31.0 x 40.6 cm ⏐ 12.2 x 16.0 in (300dpi)
MICROSCAPE / SCIENCE PHOTO LIBRARY MICROSCAPE / SCIENCE PHOTO LIBRARY
Skeletal muscle. Transmission electron micrograph (TEM) of a section through a skeletal muscle fibre, showing part of its nucleus (bottom left) and the cytoplasm, filled with contractile myofibrils. The myofibrils consist of repeating units of contractile actin and myosin protein filaments (black dots) arranged in hexagonal patterns. Magnification x15,000 when printed at 10 centimetres tall.
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