using immunohistochemistry , calcitonin gene-related peptide ( cgrp ) - and cholecystokinin ( cck ) -like immunoreactivity ( li ) were found in many of the same spinal and trigeminal ganglion cells and motoneurons in the spinal cord and hypoglossal nucleus , as well as in fibers with an overlapping distribution in the spinal cord ( dorsal horn , bundle ventral to the central canal ) and in the spinal trigeminal nucleus .
C0037925
spinal cord
C0459414
central canal