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Digital photomicrograph demonstrating nNOS immunohistochemical features in normal (non-SD) rat somatosensory cortex. Photomicrograph is taken from the same area as in Fig. 2A using an × 100 objective under oil immersion (total magnification × 630). Scale bar = 25 μm. Notice the faint astrocyte-appearing cell expressing nNOS. Arrows indicate (from top to bottom) what appear to be a process, cell body, and end-foot, respectively.
