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(a)-(h): H&E-stained microscopic images (×400) of fresh cerebral ischemic tissues. The ischemic times of the cerebral samples are (a) 0 hour, (b) 1 hour, (c) 2 hours, (d) 2.5 hours, (e) 3 hours, (f) 4 hours, (g) 6 hours, (h) 24 hours, respectively. i-k: quantitative measurements assessed using ImageJ, (i) cell size, (j) cell density, (k) intercellular substance.
