A group of cells fluorescent for norepinephrine that are located in the central gray of the midbrain at the level of the trochlear nucleus in the squirrel monkey (Saimiri) and to a lesser degree in the macaque. [ https://en.wikipedia.org/w/index.php?title=Noradrenergic_cell_group_Acg&oldid=981960786 ]
This is just here as a test because I lose it