Table 2.
Percentage of multiply innervated Purkinje cells (%) and mean index (m) of Purkinje cell innervation by climbing fibers (mean ± S.E.M.) in the total sample of PCs and cerebellar lobules from 10 groups of postnatally X-irradiated adult rats.
| Group | P4-7800 | P4-5800 | P5-6800 | P5200 | P5600 | P5800 | P6400 | P6600 | P7600 | P8600 |
|---|---|---|---|---|---|---|---|---|---|---|
| Number of rats | 11 | 7 | 8 | 2 | 10 | 5 | 1 | 12 | 3 | 5 |
| Total sample of PCs | ||||||||||
| Nb PC | 133 | 72 | 86 | 16 | 126 | 73 | 14 | 159 | 31 | 43 |
| % | 94.7 | 97.2 | 91.9 | 0.0 | 84.9 | 100 | 35.7 | 76.1 | 58.1 | 39.5 |
| m | 2.81 ± 0.08 | 3.17 ± 0.12 | 3.06 ± 0.12 | 1.00 | 2.76 ± 0.10 | 3.64 ± 0.09 | 1.43 ± 0.17 | 2.53 ± 0.09 | 1.74 ± 0.13 | 1.47 ± 0.10 |
| Lobules I-V | ||||||||||
| Nb PC | 0 | 0 | 0 | 5 | 0 | 0 | 2 | 0 | 0 | 0 |
| % | / | / | / | 0.0 | / | / | 0.0 | / | / | / |
| m | / | / | / | 1.00 | / | / | 1.00 | / | / | / |
| Lobule VI | ||||||||||
| Nb PC | 8 | 2 | 3 | 0 | 1 | 18 | 4 | 3 | 13 | 3 |
| % | 62.5 | 100 | 100 | / | 100 | 100 | 25.0 | 100 | 30.8 | 0.0 |
| m | 2.00 ± 0.33 | 3.00 ± 1.00 | 2.33 ± 0.33 | / | 4.00 | 3.44 ± 0.15 | 1.25 ± 0.25 | 2.67 ± 0.33 | 1.31 ± 0.13 | 1.00 |
| Lobule VII | ||||||||||
| Nb PC | 84 | 55 | 71 | 6 | 60 | 47 | 8 | 85 | 18 | 30 |
| % | 98.8 | 100 | 93.0 | 0.0 | 98.3 | 100 | 50.0 | 95.3 | 77.8 | 46.7 |
| m | 2.95 ± 0.10 | 3.36 ± 0.13 | 3.24 ± 0.13 | 1.00 | 3.22 ± 0.11 | 3.74 ± 0.12 | 1.63 ± 0.26 | 3.20 ± 0.10 | 2.06 ± 0.17 | 1.57 ± 0.12 |
| Lobule VIII | ||||||||||
| Nb PC | 40 | 13 | 12 | 2 | 18 | 8 | 0 | 34 | 0 | 10 |
| % | 95.0 | 92.3 | 83.3 | 0.0 | 94.4 | 100 | / | 61.8 | / | 30.0 |
| m | 2.73 ± 0.13 | 2.62 ± 0.24 | 2.17 ± 0.21 | 1.00 | 3.22 ± 0.26 | 3.50 ± 0.33 | / | 2.03 ± 0.16 | / | 1.30 ± 0.15 |
| Lobule IX | ||||||||||
| Nb PC | 1 | 2 | 0 | 0 | 34 | 0 | 0 | 32 | 0 | 0 |
| % | 0.0 | 50.0 | / | / | 61.8 | / | / | 43.8 | / | / |
| m | 1.00 | 1.50 ± 0.50 | / | / | 2.06 ± 0.18 | / | / | 1.47 ± 0.10 | / | / |
| Lobule X | ||||||||||
| Nb PC | 0 | 0 | 0 | 3 | 13 | 0 | 0 | 5 | 0 | 0 |
| % | / | / | / | 0.0 | 69.2 | / | / | 40.0 | / | / |
| m | / | / | / | 1.00 | 1.77 ± 0.17 | / | / | 1.40 ± 0.24 | / | / |