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Neuropharmacology. 1986 Sep;25(9):1031-6.

The spinal cord as a major site for the antinociceptive action of nicotine in the rat.

Abstract

These studies were conducted to localize the antinociceptive action of nicotine within the CNS. Antinociceptive and biodispositional studies were carried out after the injection of [3H]nicotine subcutaneously and intracerebroventricularly into the common carotid and vertebral arteries and into the subarachnoid space. The data indicated that [3H]nicotine was most potent when given into the subarachnoid space than by any of the other route of administration. Further, the disposition studies showed that [3H]nicotine was almost entirely contained in the thoracic and lumbar areas. These results are consistent with the hypothesis that the spinal cord is an important site for antinociception induced by nicotine.

PMID:
3774124
[Indexed for MEDLINE]

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