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Photomicrographs of the second visual area (Brodmann area 18, a‐h) and the third visual area (Brodmann area 19, i–p) of the tree pangolin. The laminar boundaries are less clear than in area 17 (see Figure 16i–p), with layer 4 becoming less distinct with distance from area 17. All conventions, scale bar, and abbreviations as in Figure 10
