TH and 5-HT apposition density on interneurons
| Age | Axon type | Density (appositions/100 μm) | Total appositions | Neurons analyzed |
|---|---|---|---|---|
| 2 weeks | TH | 0.27 ± 0.20 | 3 ± 2 | 4 |
| 5-HT | 0.16 ± 0.04 | 3 ± 1 | 8 | |
| 2 months | TH | 0.35 ± 0.23 | 4 ± 2 | 16 |
| 5-HT | 0.20 ± 0.05 | 2 ± 1 | 2 | |
| 1 year | TH | 0.42 ± 0.17 | 5 ± 3 | 2 |
| 5-HT | 0.22 ± 0.04 | 4 ± 3 | 2 | |
| 2 years | 5-HT | 0.18 ± 0.06 | 3 ± 2 | 5 |
| 6 years | TH | 0.37 ± 0.21 | 4 ± 3 | 3 |
| 5-HT | 0.23 ± 0.07 | 4 ± 2 | 3 | |
| 10 years | TH | 0.40 ± 0.20 | 5 ± 5 | 13 |