Fig. 4
From: Morphine-induced changes in the function of microglia and macrophages after acute spinal cord injury

Effects of intravenous morphine on locomotor recovery. BBB scores were balanced across groups on day 1 post-injury. Morphine significantly undermined locomotor recovery in contused rats after 7 days of IV administration. Results shown as Mean ± S.E.M. *p < 0.05, n = 10