negative regulation of substance P secretion, neurotransmission
Known as: down regulation of substance P secretion, neurotransmission, down-regulation of substance P secretion, neurotransmission, downregulation of substance P secretion, neurotransmission
Any process that stops, prevents or reduces the frequency, rate or extent of substance P secretion, neurotransmission. [GO_REF:0000058, GOC:TermGenie…