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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: J Neuropathol Exp Neurol. 2012 Mar;71(3):198–210. doi: 10.1097/NEN.0b013e3182482590

Figure 7.

Figure 7

Fluid percussion injury (FPI) effects on quartile distribution of unmyelinated axon diameters. Quartile values were calculated for the diameters of unmyelinated axons in sham injured control rats (first column), for splenium (A), mid-callosum (B), and genu (C). Columns track post-injury changes over time in the percentage of axons falling in each range. Decreases in the largest quartile coincided with increases in bottom quartile at 1 day (splenium), 3 days (mid-callosum) and 7 day (genu) (arrows), a temporal pattern matching maximum reductions in unmyelinated fiber cross-section areas. Post-injury increases in the lowest quartile were only significant for the splenium (*p < 0.05).