| Literature DB >> 13906937 |
Abstract
Rat stellate ganglia were isolated and maintained in a moist chamber in which they were intermittently immersed in physiological saline containing low concentrations of the compound under investigation. 5-Hydroxytryptamine (serotonin) in concentrations as low as 1.3x10(-6) M reduced reversibly the threshold and increased the amplitude of responses to preganglionic stimulation. Certain antagonists of 5-hydroxytryptamine depressed reversibly the postsynaptic responses. Experiments in vivo supported this finding. It is suggested that 5-hydroxytryptamine facilitates transmission in the sympathetic ganglia of rats.Entities:
Keywords: GANGLIA, AUTONOMIC/pharmacology; SEROTONIN/pharmacology
Mesh:
Substances:
Year: 1961 PMID: 13906937 PMCID: PMC1482101 DOI: 10.1111/j.1476-5381.1961.tb01126.x
Source DB: PubMed Journal: Br J Pharmacol Chemother ISSN: 0366-0826