Table 3.

Three-dimensional reconstructive analysis of axons

FeatureTotalAverage3-aRange
Axon segments119.7  ± 2.5 μm5.5  ± 13.7 μm
Axonal shafts:46
 Length1.36  ± 1.16 μm0.06–4.04 μm
 Volume0.032  ± 0.038 μm30.002–0.194 μm3
 Diameter0.17  ± 0.04 μm0.11–0.30 μm
Axonal varicosities: 41
 Length1.09  ± 0.68 μm0.28–2.97 μm
 Volume0.125  ± 0.144 μm30.011–0.572 μm3
 Diameter0.40  ± 0.13 μm0.19–0.69 μm
PSD areas420.026  ± 0.026 μm20.005–14l μm2
Vesicles (per varicosity)5454156  ± 1731–688
Mitochondrial volumes180.024  ± 0.014 μm30.006–0.053 μm3
  • F3-a All data here and elsewhere are given as mean ± SD.