immunohistochemistry and radioimmunoassay ( ria ) revealed that corticotropin releasing factor ( crf ) -like immunoreactivity was found to be colocalized with substance p ( sp ) - , somatostatin ( sst ) - and leu-enkephalin ( lenk ) -like immunoreactivity in the dorsal root- and trigeminal ganglia , the dorsal horn of the spinal cord ( laminae i and ii ) , the substantia gelatinosa , and at the lateral border of the spinal nucleus and in the tractus spinalis of the trigeminal nerve .
C0040995
trigeminal ganglia
C0040996
trigeminal nerve