Review Article

Neuropharmacological Effects of Mesaconitine: Evidence from Molecular and Cellular Basis of Neural Circuit

Figure 2

Schematic drawing of the nociceptive system with ascending and descending fibers. RF: reticular formation; PAG: periaqueductal gray; NRM: nucleus raphe magnus; NRGC: nucleus reticularis gigantocellularis; NRPG: nucleus reticularis paragigantocellularis; NRL: nucleus reticularis lateralis; 5-HT: 5-hydroxytryptamine; ENK: enkephalin; NA: noradrenaline.