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Coronal sections showing caudal perirhinal (PER) areas 35 and 36 and adjacent cortical regions at 3 rostrocaudal levels. Adjacent sections stained for Nissl material (A, D, and G), heavy metals using Timm’s method (B, E, and G), myelinated fibers (F), and the enzyme acetycholinesterase (C and I). Other abbreviations: AUDv, ventral auditory cortex; ENTl, lateral entorhinal area; PIR, piriform cortex; SSs, secondary somatosensory; TEA, temporal association area.
