The extent of labeling is classified into three broad categories according to the percentage of neurons in the indicated population that are labeled. Few denotes < 10% labeled; many denotes 10 – 90 % labeled and all denotes > 90% labeled. Neuronal populations with especially noteworthy labeling are highlighted in bold. RGC = retinal ganglion cell, INL = inner nuclear layer, DRG = dorsal root ganglion, SMG = submandibular ganglion, pre = presynaptic post = post synaptic, DG = Dentate granule cells, Mossy = cerebellar mossy fibers, Purk = cerebellar purkinje cells, Gran = cerebellar granule cells Olf B = Olfactory Bulb, Mitral = mitral cells, n/d = not determined