Figure 6From: Sodium-calcium exchanger and multiple sodium channel isoforms in intra-epidermal nerve terminals Sodium channel expression within free nerve endings in epidermis. PGP 9.5-positive (green) free nerve endings exhibit NaV1.6, NaV1.7, NaV1,8 and NaV1.9 immunolabeling (red). NaV1.1 is not detectable in epidermal nerve fibers. Scale bar, 10 μm.Back to article page