Table 2.
Female | Male | |||
---|---|---|---|---|
Nerve Cross Section | ||||
Area, μm2 | 838±358* | 1678±364 | ||
Diameter, μm | 32.1±7* | 46.0±5 | ||
Myelinated Fibers | ||||
Average | 72.8±11* | 103.5±20 | ||
Total | 437 | 621 | ||
Myelin area, μm2 | 2.76±0.3* | 3.54±0.6 | ||
Unmyelinated Fibers | ||||
Average | 221±36* | 451±60 | ||
Total | 1324 | 2703 | ||
Relative distributions, % | ||||
Myelinated fibers | 24.8 | 18.7 | ||
Unmyelinated fibers | 75.2 | 81.3 |
Data are presented as means ± SD of age-matched adult female (287 ± 11 g, n = 6) and male (330 ± 15 g, n = 6) Sprague-Dawley rats.
P < 0.01 vs. male.