has soma location has soma location develops from expresses expresses GABAergic neuron neuron of the forebrain prototypic neuron 2025-10-17T09:12:54Z A GABAergic neuron located in the external globus pallidus (GPe) that constitutes approximately two-thirds of all GPe neurons (Mallet et al., 2012, Dodson et al., 2015). Derived from the medial ganglionic eminence, this cell selectively expresses Nkx2-1, with roughly two-thirds co-expressing parvalbumin (PV) and one-third lacking it in mice (Mallet et al., 2012; Dodson et al., 2015). homeobox protein Nkx-2.1 lateral globus pallidus medial ganglionic eminence