Figure 2
From: Sodium channel Nav1.8 immunoreactivity in painful human dental pulp
Immunoreactive nerve fibres in non-painful (left column) and painful (right column) human tooth pulp sections, in pulp from painful teeth within the subontoblastic plexus region 'boxed' in Figure 1. Staining with antibodies to Nav1.8 (A and C) and neurofilament (B and D). Arrows indicate Nav1.8 immunoreactive nerve fibres. Magnification × 40