to determine the mechanism by which substance p ( sp ) increases vascular permeability , we examined the potency of sp and sp fragments in inducing plasma extravasation in guinea pig skin , the effects of a histamine h1 antagonist and a muscarinic antagonist on the response , the effects of sp antagonists on the response , and the specificity of tachykinin-induced tachyphylaxis of the response .
C0038585
sp
C0039241
tachykinin