NCIt definition : A complex of structures, including the prosubiculum, presubiculum, postsubiculum and
parasubiculum, and the subiculum proper, that is located between the entorhinal cortex
and the CA1 subfield of the hippocampus proper, forming the most inferior portion
of the hippocampal formation. The structure complex has a variety of functions, including
working memory, spatial relations, and regulation of the hypothalamic-pituitary-adrenal
axis.;