A, Digitized photomicrograph of the area framed in Figure 7C illustrates axonal arborization in S2 cortex from the nociceptive-specific PoT neuron j42. B, Coronal section (7.70 mm interaural level) indicating the location (area framed in S2 cortex) of photomicrograph in A. Abbreviations are listed in Figure 1 legend. Scale bars: A, 100 μm; B, 1 mm.