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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: Pain. 2010 Feb 18;149(1):100–106. doi: 10.1016/j.pain.2010.01.015

Fig. 1. Inhibition of carrageenan-induced hyperalgesia by MK-801.

Fig. 1

The development of thermal hyperalgesia following intraplantar injection of carrageenan was blocked in a dose-dependent manner by MK-801 (0.5-2 mg/kg). MK-801 was given by intraperitoneal injection 30 min before carrageenan. * P<0.05 and * P<0.01 when compared to when compared to responses in the absence of MK-801. Results are expressed as mean ± SEM for 6 rats.