Table 3.
Comparison of Degeneration Length and Rate Based on Various Parameters
| |
|
Degeneration length (μm)/rate (μm/h) |
||
|---|---|---|---|---|
|
Distance of transection (μm) |
|
25 |
150 |
300 |
| No. of neurons | 131 | 106 | 96 | |
| Polarity | Unipolar | 22.9±1/14.7±1.7 (37) | 89.1±7.9/31.9±6.8 (38) | 171.3±14.8/74.2±19.4 (29) |
| Multipolar | 22.9±0.6/14.4±1.1 (86) | 89.1±5.7/49.1±7.6 (62) | 144±11.3/58.3±15.5 (63) | |
| Neurite thickness | Thin | 20.9±3.2/15.5±4.5 (7) | 71.4±25.1/44.1±24 (5) | 63.3±36.5*/37.6±13.3 (4) |
| Thick | 23.1±0.5/14.4±0.9 (116) | 90±4.7/42.5±5.6 (95) | 156.7±9.2/64.5±12.7 (88) | |
| Degeneration of uncut neurites | Present | 23.4±0.6/15.3±1.2 (76) | 97±5.1*/41.9±7.3 (62) | 176.3±11.4/60.5±18.3 (53) |
| Absent | 22.1±1/13.2±1.4 (47) | 76.2±8.3/43.7±8 (38) | 120.4±13.3/67.1±14.6 (39) | |
| Growth of uncut neurites | Present | 20.6±2/14.8±3.3 (18) | 48.3±11.7*/53.8±12.7 (16) | 86.4±18.3*/44.6±9.2 (19) |
| Absent | 23.3±0.5/14.4±0.9 (106) | 96.9±4.5/40.4±6 (84) | 169.8±9.5/68.1±15.1 (73) | |
*
p<0.05.
Comparisons were made between two alternative forms or states of each parameter. Numbers of neurons are given in parentheses.