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. 2010 Jan 20;11:8. doi: 10.1186/1471-2202-11-8

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Copyright ©2010 Filler et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Dorsal root entry zone access by transported agents. Section of spinal cord showing retrogradely transported NGF-TR (Nerve Growth Factor - Texas Red) in the dorsal horn. (a+b) The ipsilateral and contralateral dorsal horn viewed using darkfield microscopy. (c+d) The same fields as in a+b viewed using fluorescence microscopy. The arrow heads delineate the area of DREZ lamina I and II where the proximal axons of the dorsal root ganglia cells terminate on nociceptor neurons. Scale bars = 120 μm.