Table 1.
Synaptic convergence of cones onto each ON bipolar cell type.
| Bipolar cell type (n) Number of cells | Number of cones per bipolar | Number of contacts per bipolar | |||||
|---|---|---|---|---|---|---|---|
| All | Positional classes | Chromatic classes | |||||
| Invagi. | TA | NTA | M/L-cone | S-cone | |||
| IMB (12) | 1.2 ± 0.4 | 26.3 ± 2.5 | 26.0 ± 2.6 | 0.3 ± 0.6 | 0.0 ± 0.0 | 26.5 ± 3.1 | 0.0 ± 0.0 |
| BB (7) | 1.7 ± 0.8 | 24.1 ± 4.8 | 23.9 ± 5.0 | 0.3 ± 0.5 | 0.0 ± 0.0 | 0.0 ± 0.0 | 24.1 ± 4.8 |
| DB4 (6) | 8.7 ± 1.0 | 39.7 ± 4.1 | 19.0 ± 3.3 | 16.7 ± 2.6 | 4.0 ± 2.8 | 39.5 ± 4.2 | 0.2 ± 0.4 |
| DB5 (7) | 7.3 ± 1.1 | 26.7 ± 1.6 | 16.7 ± 5.8 | 7.1 ± 4.3 | 2.7 ± 2.9 | 26.1 ± 2.1 | 0.6 ± 1.5 |
| DB6 (5) | 6.2 ± 1.3 | 14.6 ± 2.9 | 5.0 ± 2.8 | 8.4 ± 2.7 | 1.2 ± 0.8 | 14.2 ± 2.4 | 0.4 ± 0.5 |
| GB (2) | 12.5 ± 0.7 | 16.5 ± 2.1 | 3.0 ± 1.4 | 6.0 ± 1.4 | 7.5 ± 0.7 | 15.5 ± 3.5 | 1 ± 1.4 |