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. Author manuscript; available in PMC: 2009 Jan 1.
Published in final edited form as: J Biomech. 2007 Oct 31;41(3):677–685. doi: 10.1016/j.jbiomech.2007.09.026

Figure 4.

Figure 4

Representative images for the ipsilateral spinal cord dorsal horns (laminae I-IV) labeled for substance P (A-C) or calcitonin gene-related peptide (D-F) immunoreactivity at day 7 after nerve root compression: sham (A, D), 10.89mN (B, E), and 98.10mN (C, F). Positive immunolabeling assessed by densitometry was confined primarily to laminae I and II. Individual densitometry measures for these images are indicated in each panel. A slight decrease in substance P staining after compression with a high load is apparent (C), and a more robust decrease is evident for CGRP immunoreactivity (F). Contralateral immunostaining followed similar trends for all groups. Scale bar in (A) = 200μm.