Table 2.
Locations of receptive fields of high-threshold mechanoreceptors and low-threshold mechanoreceptors in controls and neuropathic rats
CV range | Receptor class | Model | n | Foot | Calf | Thigh | Ankle joint | Knee joint |
---|---|---|---|---|---|---|---|---|
C | HTM | Control | 21 | 8 | 5 | 4 | 2 | 2 |
NeP | 28 | 12 | 4 | 6 | 4 | 2 | ||
LTM | Control | 8 | 5 | 2 | 1 | / | / | |
NeP | 8 | 6 | / | 2 | / | / | ||
Aσ | HTM | Control | 11 | 5 | 3 | 3 | / | 1 |
NeP | 7 | 4 | 2 | 1 | / | / | ||
LTM | Control | 7 | 2 | 3 | 2 | / | / | |
NeP | 9 | 2 | 4 | 3 | / | / | ||
Aβ | HTM | Control | 26 | 4 | 6 | 8 | 4 | 4 |
NeP | 39 | 3 | 9 | 12 | 3 | 2 | ||
LTM (GF) | Control | 20 | 4 | 6 | 8 | 1 | 1 | |
NeP | 25 | 3 | 5 | 13 | 2 | 1 | ||
LTM (RA) | Control | 20 | 10 | 1 | 2 | 1 | 2 | |
NeP | 24 | 9 | 1 | 3 | 2 | 1 | ||
LTM (SA) | Control | 10 | 9 | / | / | 1 | / | |
NeP | 14 | 12 | / | / | 2 | / | ||
LTM (MS) | Control | 36 | 2 | 25 | 9 | / | / | |
NeP | 53 | 3 | 40 | 10 | / | / |
Abbreviations: HTM, high threshold mechanoreceptive neurons; LTM, low threshold mechanoreceptive neurons; MS, muscle spindle neurons; RA, rapidly adapting neurons; SA, slowly adapting neurons; GF, guard/field neurons.