R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY R. BICK, B. POINDEXTER, UT MEDICAL SCHOOL / SCIENCE PHOTO LIBRARY
Lung tissue. Fluorescence deconvolution micrograph of a section through lung tissue. This tissue sample shows a cross-section through an arteriole (small artery, black, left) in the lung. The lungs are where blood is oxygenated, with the oxygen replacing the waste product carbon dioxide that is produced during respiration in body cells. Cellular proteins are highlighted with fluorescent markers: g-actin (red), f-actin (green) and smooth muscle actin (blue).
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