subpallium

2017, C. Watson, A. Mitchelle, L. Puelles, 2.02: A New Mammalian Brain Ontology Based on Developmental Gene Expression, Georg F. Striedter (volume editor), Jon H. Kaas (editor-in-chief), Evolution of Nervous Systems, Volume 1, 2nd Edition, Elsevier (Academic Press), page 60, The pallium is initially separated from the subpallium on account of its differential molecular identity, which causes pallial neurons to the glutamatergic as a rule, whereas subpallial neurons are GABAergic in various peptidergic flavors, depending on the precise origins (Stühmer et al.,2002).