the immunohistochemical data provided evidence for the existence of two major cck8-containing pathways in turtles that have been previously described in mammals : a pathway from the supraoptic and paraventricular magnocellular nuclei to the external zone of the median eminence and neurohypophysis and a pathway from dorsal root ganglia to the dorsal horn of the spinal cord .
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dorsal root ganglia
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the dorsal horn of