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. 2016 Jun 24;17:39. doi: 10.1186/s12868-016-0277-4

Fig. 4.

Fig. 4

Histogram indicating the distribution of capillary diameter in the distal tibial nerve of young (black columns) and elderly (white columns) rats. Note that a number of small capillaries for the elderly group are larger than that of the young group, which indicates that the histogram for the elderly group shifted to the left with respect to that of the young group