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. Author manuscript; available in PMC: 2021 Feb 12.
Published in final edited form as: Curr Rev Pain. 2000;4(6):478–487. doi: 10.1007/s11916-000-0072-9

Figure 2.

Figure 2.

The visceral nociceptive pathway arises from postsynaptic dorsal column (PSDC) projection neurons located around the central canal. This diagram depicts the route taken by axons ascending as separate pathways in the dorsal column. The pathway was visualized after small injections of anterograde transport of Phaseolus vulgaris leucoagglutinin were made in the gray matter near the central canal. The visceral pathway arising from the lumbosacral cord travels in the midline. The ascending fibers from thoracic levels travel between the gracile and cuneate fasciculi. Cu—cuneate; Gr—gracile.