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A, a photomicrograph of a transverse section of the L3 segment of the rat spinal cord showing the location of one of the SB neurons, VSCT neurons and dhDSCT neurons identified by retrograde transport of CTb. B and C, diagrams illustrating the locations of cell bodies of 80 cells analysed in the Th12 and Th13 segments and L1, L2 and L3 segments, respectively. Scale bar in A, 20 μm.
