Role of the Dorsal Raphe Nucleus in Pain Processing
Huijie Zhang,
Lei Li,
Xujie Zhang
et al.
Abstract:The dorsal raphe nucleus (DRN) has gained attention owing to its involvement in various physiological functions, such as sleep–awake, feeding, and emotion, with its analgesic role being particularly significant. It is described as the “pain inhibitory nucleus” in the brain. The DRN has diverse projections from hypothalamus, midbrain, and pons. In turn, the DRN is a major source of projections to diverse cortex, limbic forebrain thalamus, and the midbrain and contains highly heterogeneous neuronal subtypes. The… Show more
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