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25.7 x 25.7 cm ⏐ 10.1 x 10.1 in (300dpi)
R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY
Heart tissue. Fluorescence deconvolution micrograph of a section through heart tissue. The heart largely consists of fibres (green) of cardiac muscle (the myocardium) that contract to pump blood around the heart. It also includes blood vessels that supply oxygen to the heart muscle. One such blood vessel is shown here in cross-section, with the blood vessel wall surrounding the lumen (black). Cellular proteins are highlighted with fluorescent markers: g-actin (red), f-actin (green) and smooth muscle actin (blue).
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