Neuronal populations of the human periaqueductal gray, nucleus lateralis
โ Scribed by Lois K. Laemle
- Publisher
- John Wiley and Sons
- Year
- 1979
- Tongue
- English
- Weight
- 859 KB
- Volume
- 186
- Category
- Article
- ISSN
- 0021-9967
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## Abstract We have previously shown that microinjection of galanin into the arcuate nucleus of hypothalamus (ARC) produced antinociceptive effects in rats (Sun et al., 2003a). In this study, the neural pathway of galanin from ARC to midbrain periaqueductal gray (PAG) in nociceptive modulation was
The fact that GABA receptor agonists and antagonists influence nociceptive thresholds when microinjected into the rostroventral medulla or in the spinal cord may reflect the involvement of GABAergic neuronal elements in endogenous antinociceptive pathways. In the present study we used immunocytochem