Chemical responsiveness and histochemical phenotype of electrophysiologically classified cells of the adult rat dorsal root ganglion.

Abstract excerpt

Whole cell patch recordings were obtained from medium diameter (35-45 microm) dorsal root ganglion neurons. Using electrophysiological parameters, we were able to subclassify acutely dissociated dorsal root ganglion cells into three uniform (types 5, 6 and 9) and one mixed class (type 8) of neurons. All subtypes (types 5, 6, 8 and 9) had broad action potentials (7.0+/-0.2, 5.2+/-0.4, 7.3+/-0.5 and 6.0+/-0.4 ms)...

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