we found high concentrations of autoradiographic grains associated with many nuclei in the brainstem including the superior colliculus , nuclei of the lateral lemniscus , pontine nucleus , parabrachial nucleus , trigeminal nerve nucleus ( v ) , the tegmental nuclei , nucleus of the facial nerve ( vii ) , the locus coeruleus , the medial vestibular nucleus , cochlear nucleus , of the tractus solitarius , and nucleus of the hypoglossal nerve ( xii ) .
C0006121
brainstem
C0023951
locus