in deep part of superior colliculus gray matter layer of superior colliculus deep gray layer of superior colliculus deep grey layer of the superior colliculus neuronames:2849 lamina VI of superior colliculus deep grey layer of superior colliculus DHBA:12302 stratum griseum profundum of superior colliculus stratum griseum profundum superior colliculus deep gray layer stratum griseum profundum colliculi superioris HBA:9117 deep gray layer of the superior colliculus UBERON:0006789 BAMS:dgr lamina colliculi superioris vi BAMS:DpG layer VI of superior colliculus FMA:72410 BAMS:SCdg superior colliculus intermediate deep gray layer deep layer of superior colliculus