Photomicrographs of axonal arbors in insular, auditory, parietal, ectorhinal, and motor cortices. A, Insula, dura-sensitive VPM neuron. B, PtA and AuD, dura-sensitive Po neuron. C, Ectorhinal, dura-sensitive LP neuron. D, M1/M2, dura-sensitive LD neuron. For additional information, including cortical layers and scales, see Figure 10.