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. Author manuscript; available in PMC: 2006 Oct 1.
Published in final edited form as: Am J Physiol Regul Integr Comp Physiol. 2005 Jun 9;289(4):R1155–R1168. doi: 10.1152/ajpregu.00234.2005

Figure 11.

Figure 11

P2X3-IR in lumbosacral spinal cord from older postnatal (P21-P28) and adult (A) rats. Low power fluorescence images of the L6 spinal cord showing restricted P2X3-IR in the superficial dorsal horn (DH; A, C, E). Higher power fluorescence images of the dorsal, lateral quadrant of the L6 spinal cord showing restricted P2X3-IR in lamina II (B, D, F). Weak P2X3-IR was present in the lateral collateral pathway (LCP) of Lissauer in the lumbosacral spinal cord (F, arrows) of older postnatal and adult rats. P2X3-IR was observed in the anterior spinal artery (A, C, E, arrow). Calibration bar represents 100 μm in A, C, E and 60 μm in B, D, F.