27.4 MB (27.0 MB compressed)
3652 x 2624 pixels
31.0 x 22.1 cm ⏐ 12.2 x 8.7 in (300dpi)
JOSE CALVO / SCIENCE PHOTO LIBRARY JOSE CALVO / SCIENCE PHOTO LIBRARY
Transmission electron micrograph (TEM) showing two heart muscle cells joined by an intercalated disc. In both cells, the cytoplasm is full of myofibrils with very prominent Z lines.
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