Figure 1.
Brightfield photomicrographs of pyramidal neuron AIS immunoreactive for ankyrin-G (A), ßIV spectrin-SD (B), and gephyrin (C) in area 46 of monkey prefrontal cortex. Punctate labeling in panel C likely represents gephyrin clusters at other GABA synapses. Scale bar = 5 μm in A (applies to A, B, C).