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FIG 1. Brightfield photomicrographs of thionin-stained sections on the coronal plane show cytoarchitectonic borders (arrowheads) of the different components of the piriform cortex-cortical amygdala (PCA) region as defined in the present study. A is the most rostal (at the level of the limen insulae) and D is the most caudal (hippocampal head). PC indicates piriform cortex; PRC, perirhinal cortex; es, endorhinal sulcus; PAC, periamygdaloid cortex; L, amygdala lateral nucleus; EC, entorhinal cortex; AB, amygdala accessory basal nucleus; B, amygdala basal nucleus; ssa, sulcus semiannularis; cs, colateral sulcus; AHA, amygdalo-hippocampal area; CA1, hippocampal field 1; Sub, subiculum; hf, hippocampal fissure; asterisk, lateral ventricle. Scale bar equals 2 mm.
