46.7 MB (7.7 MB compressed)
4820 x 3389 pixels
40.9 x 28.7 cm ⏐ 16.1 x 11.3 in (300dpi)
DON W. FAWCETT / SCIENCE PHOTO LIBRARY DON W. FAWCETT / SCIENCE PHOTO LIBRARY
Color enhanced transmission electron micrograph of smooth muscle in the wall of a small artery. The muscle is seen in cross section at the center of the image, just below the milky elastica interna. Smooth muscle possesses a much thicker lamina externa than many other cell types.
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