results indicate that the sources of this catecholamine innervation are widespread , originating from cell bodies throughout the brain stem including the medullary catecholamine cell groups as well as the noradrenergic nuclei of the dorsolateral pons , including locus ceruleus , subceruleus , kolliker-fuse , and the parabrachial nuclei .
C0006121
brain stem
C0023951
locus