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The human temporal lobe (HTL) is a heterogeneous region consisting of cortical and subcortical areas which differ from cytoarchitectonic and phylogenetic points of view. In its medial aspect lies the hippocampal formation (HF), which includes the dentate gyrus (DG), the cornu ammonis fields (CA1, CA2 and CA3), the subiculum (Sb), presubiculum (PrS), parasubiculum (PaS) and the entorhinal cortex (EC) (

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The amygdaloid complex (AC) is involved in very relevant cognitive and emotional pathways and exhibits changes in aging and in some neurological and psychiatric disorders. The quantitative estimators of AC could be useful to understand the impact of amygdaloid pathology in these processes, both globally and for each nucleus in particular, and their neurons. The present study analyzes morphometric and stereological estimators in the whole AC and its three main nuclei (lateral [La], basal [Ba], and accessory basal [AB]) in six Macaca fascicularis monkeys. All the brains were fixed and sectioned in the coronal plane; Nissl-stained sections were used for estimation of size and form parameters in both, the AC, and the La, Ba, and AB nuclei separately.

No abstract