Table 1.
Quantitative analysis of structural elements of adult MFBs.
| Bouton | Active zones | Cleft width | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Volume (μm3) | Surface (μm2) | No. | Mean area (μm2) ± SD | Total area (μm2) | (%) | Distance to neighboring AZ (μm ± SD) | AZ (nm ± SD) | PA (nm ± SD) | |
| 1 | 13.03 | 82.19 | 34 | 0.07 ± 0.05 | 2.26 | 7.2 | 0.32 ± 0.09 | 28.11 ± 3.26 | 19.62 ± 2.63 |
| 3 | 5.42 | 50.55 | 14 | 0.14 ± 0.13 | 2.01 | 9.5 | 0.52 ± 0.14 | 29.46 ± 5.22 | 20.25 ± 2.58 |
| 4 | 12.17 | 68.90 | 18 | 0.17 ± 0.10 | 3.06 | 12.7 | 0.60 ± 0.27 | 19.74 ± 0.65 | 20.66 ± 3.20 |
| 7 | 2.35 | 32.37 | 7 | 0.15 ± 0.08 | 1.07 | 9.4 | 0.47 ± 0.27 | 29.81 ± 3.09 | 20.48 ± 0.44 |
| Mean | 8.24 | 58.50 | 18.3 | 0.11 ± 0.07 | 2.10 | 9.7 | 0.48 ± 0.19 | 26.78 ± 1.87 | 20.25 ± 1.21 |
| CV | 0.63 | 0.37 | 0.64 | 0.39 | 0.20 | 0.40 | 0.07 | 0.06 | |
Summary of structural parameters relevant for synaptic transmission that have been extracted from the detailed 3-D reconstructions of MFBs. The means and coefficient of variations (CVs) given in this table are averages per bouton (modified from Table 1 in Rollenhagen et al., 2007a).