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(A–B) Whole-mount retinas from P23H rats treated with vehicle (A) or safranal (B), stained with NAPDH diaphorase. Note that the retinal capillary network was more extensive, with more capillary loops in safranal-treated animals. (C) Measurements of the relative capillary density (capillary area/retinal area) showing higher values in safranal-treated rats than in control animals (n = 6 and n = 3, respectively). ** P<0.01; Student's t-test.
