Fig. 4

Confocal images comparing NK-1r immunoreactivity in the ipsilateral side of vehicle-injected (a–c) and IB4-saporin-injected (d–f) animals, in transverse sections, 21 days after injection. NK-1 receptors—NK-1 (in green), non-peptidergic afferents—IB4 (in red). The framed regions in a and d are enlarged in b, c, e and f. Scale bars 100 µm