C.J.GUERIN, PHD, MRC TOXICOLOGY UNIT / SCIENCE PHOTO LIBRARY C.J.GUERIN, PHD, MRC TOXICOLOGY UNIT / SCIENCE PHOTO LIBRARY
Brain blood vessels. Confocal light micrograph of a transverse section through a brain showing a blood vessel (oval, black). Surrounding the blood vessels are neurons (nerve cells, red) and glial cells (support cells, green). Blood provides oxygen to the brain and carries waste carbon dioxide away from it.
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