The TRPM8 channel is expressed by subsets of sensory neurons in dorsal root and trigenimal ganglia and is activated by cold or ligands, such as menthol or icilin, that trigger cold sensation.
(E) Myelinated nerve fiber reproduced in vitro by coculture of rat dorsal root ganglion neurons and Schwann cells. Myelin segments are stained in red by an antibody to myelin basic protein ...