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. 2018 Jun 6;120(3):1233–1246. doi: 10.1152/jn.00848.2017

Fig. 6.

Fig. 6.

Estimates of the relative and absolute density for the different cutaneous mechanoreceptor classes across the foot sole. Significant differences are indicated by brackets and P values in A–C. A: depiction of the proximal-distal gradient in receptive field density, with greater innervation density in the toes (red) than in the metatarsals/arch (Met/Arch; orange) and heel (yellow). B: depiction of the medial-lateral gradient in receptive field density across the metatarsals, with greater innervation density in the lateral region (LatMet; red) than in the middle (MidMet; orange), and medial (MedMet; yellow) regions. C: depiction of the medial-lateral gradient in receptive field density across the arch, with greater innervation density in the lateral region (LatArch; red) than in the middle (MidArch; orange) and medial (MedArch; yellow) regions. FAI, fast-adapting type I; FAII, fast-adapting type II; SAI, slowly adapting type I; SAII, slowly adapting type II.