Damaged brain tissue. Confocal light micrograph of a section of damaged brain tissue. Dead neurons (nerve cells, blue) are being removed by macrophages (red) a type of white blood cell that phagocytoses (engulfs) damaged or foreign cells. The damage may lead to the formation of a scar. Enlarged glial cells (green), a type of support cell, are also seen around the damaged area. Glial cells provide structural support and oxygen and nutrients to neurons.
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