. "The series of molecular signals generated as a consequence of a serotonin receptor binding to its physiological ligand, where the pathway proceeds with inhibition of adenylyl cyclase and a subsequent decrease in the concentration of cyclic AMP (cAMP)." . . . "adenylate cyclase-inhibiting serotonin receptor signaling pathway" . "inhibition of adenylate cyclase activity by serotonin receptor signaling pathway" . "inhibition of adenylate cyclase activity by serotonin receptor signalling pathway" . "serotonin receptor, adenylate cyclase inhibiting pathway" . "serotonin receptor, adenylyl cyclase inhibiting pathway" . . .