Fig. 8. Microglial (CR3/CD11b) staining. CR3/CD11b staining (  A ) and percent of sham staining intensity (  B ) in superficial dorsal horn ipsilateral to surgery of sham animals plus vehicle (Sham, n = 4) and L5 nerve transection (L5NT) animals plus vehicle (Veh, n = 3), 2 μg JWH015 (JW 2 μg, n = 3), 10 μg JWH015 (JW 10 μg, n = 4), 10 μg JWH015 plus 10 μg AM281 (JW + AM1, n = 7;  C ), or 10 μg JWH015 plus 10 μg AM630 (JW + AM2, n = 5;  C ). *  P < 0.05 (  t test) compared with sham plus vehicle group in  B and compared with L5NT plus 10 μg JWH015 alone in  C . +  P < 0.05 (  t test) compared with L5NT plus vehicle group.