Abstract
Abstract
Substance P (2 and 4 μg/kg · min, iv) caused an inhibition of net efflux of Na and net influx of K in perfused main excretory duct of rat submandibular gland. These effects could not be blocked by atropine sulfate. The data suggest that substance P receptors are present in the duct cells and play a role in the regulation of transductal electrolyte transport.
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