Table 1. Summary data for total dendritic length, puncta linear densities, and total inhibitory to excitatory ratios for all RGCs sampled.
RGC type | Age | Dendritic Length (µm) | PSD95CFP number | YFPγ2 number | PSD95CFP linear density | YFPγ2 linear density | I/E ratio | n |
ON-S A-type | 12 | 3583.9±247.6 | 1185.2±71.4 | 1171.1±79.8 | 0.34±0.02 | 0.33±0.02 | 0.99±0.05 | 9 |
21 | 3102.3±119.2 | 1534.6±102.3 | 1511.3±91.9 | 0.49±0.02 | 0.49±0.02 | 1.00±0.05 | 9 | |
OFF-S A-type | 12 | 4235.8±336.1 | 1163.8±172.0 | 1340.0±169.7 | 0.28±0.03 | 0.32±0.03 | 1.18±0.15 | 5 |
21 | 4337.0±223.4 | 1382.4±96.0 | 1738.4±151.6 | 0.32±0.02 | 0.40±0.02 | 1.26±0.07 | 5 | |
Bistratified DS | 12 | 4028.0±246.8 | 1508.4±192.4 | 1454.0±118.9 | 0.38±0.05 | 0.37±0.04 | 1.00±0.06 | 7 |
ON arbor | 12 | 2247.1±154.7 | 839.6±144.0 | 799.9±99.3 | 0.37±0.05 | 0.36±0.03 | 0.99±0.06 | |
OFF arbor | 12 | 1780.9±179.8 | 668.9±80.6 | 654.1±57.4 | 0.39±0.05 | 0.38±0.04 | 1.01±0.07 | |
Bistratified DS | 21 | 3766.4±165.6 | 1401.4±94.1 | 1729.8±60.3 | 0.37±0.02 | 0.46±0.01 | 1.25±0.06 | 5 |
ON arbor | 21 | 2036.4±56.4 | 768.0±17.3 | 907.8±39.9 | 0.38±0.02 | 0.45±0.01 | 1.19±0.07 | |
OFF arbor | 21 | 1730.0±170.0 | 633.4 ± 83.7 | 822.0±84.2 | 0.36±0.02 | 0.47±0.02 | 1.32±0.06 |
Numbers are averages and SEM for all cells, for each parameter. Total dendritic length was calculated as the sum of all dendritic segment lengths within the (∼.045 mm2) region sampled.