Figure 4.

A, morphology of a rod-dominated ON bipolar cell with axon terminal ending at the border of sublamina b of the IPL, marked by Lucifer Yellow; glycine elicited currents in the neuron when it was voltage clamped at various potentials as indicated. B, summary of glycine current reversal potentials recorded from rod-dominated ON bipolar cells. C and D, glycine-elicited currents recorded from ON bipolar cells. E and F, glycine currents recorded from OFF bipolar cells. INL, inner nuclear layer; IPL, inner plexiform layer; OPL, outer plexiform layer.