Role of brain amines in the analgesic action of meperidine hydrochloride.
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Biomedical subjects
Publications and source records attributed to V H Sethy.
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Pentobarbital (30 and 60 mg/kg) and chloral hydrate (300 and 600 mg/kg) administered in anesthetic/hypnotic doses produced significant increases in acetylcholine concentration in the cerebral cortex, striatum, hippocampus and brainstem. Hypnotic/anxiolytic agents like diazepam, flurazepam (100 mg/kg each) and triazolam (30 mg/kg) significantly increased the acetylcholine concentration only in the cerebral cortex and striatum. Alprazolam and ketazolam had no significant effect on regional distribution of acetylcholine in the brain. The results have been discussed with respect to the role of central cholinergic system in anesthetic and hypnotic actions of these drugs.