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a Aspect ratio of NG108-15 nuclei (a value of 1 indicates a round object and values > 1 indicate an elongated object). b NG108-15 neurite lengths on untreated culture flasks and aligned fibers. c NG108-15 neurite extension angle standard deviations, cultured for 96 h on proliferation medium. Three samples per condition and > 15 measurements per sample were analyzed using an unpaired t test
