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Microglia/macrophages show morphologic features of a resting state at 2 days after sham injury. (A) Microglia/macrophages are distributed throughout the length of the optic nerve. (B, C) Enlarged images of (A) show scattered microglia/macrophages with slender processes parallel to the normal yellow fluorescent protein (YFP)-expressing axons. (Blue: DAPI; YFP: axon; Red: microglia/macrophage). Scale bar: 300 μm in A.
