The term subpeduncular pigmented nucleus refers to one of four components of the parabrachial nuclei of the humans. It is located along the ventrolateral boundary of the lateral parabrachial nucleus. Identified by the presence of neuromelanin containing cells, it is not found in species other than humans ( Paxinos-2012 ).
Also known as: subpeduncular pigmented nucleus, subpeduncular nucleus, nucleus "X" of Fix