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Quantitative evaluation of the percentage of heterochromatin (A) and PG density (B) (mean ± standard error of the mean (SEM)) in SC nuclei from skeletal muscles of euthermic (eu) and hibernating (hib) dormice. No significant difference was found between euthermia and hibernation for heterochromatin (p = 0.091), whereas PG density was significantly higher in hibernating dormice (p = 0.002).
