title: On the functional role of coexistence of 5-HT and substance P in bulbospinal 5-HT neurons. Substance P reduces affinity and increases density of 3H-5-HT binding sites.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000378:metabolism; D008297:Male; D051381:Rats; D011919:Rats, Inbred Strains; D011985:Receptors, Serotonin / Q000187:drug effects*; D012701:Serotonin / Q000378:metabolism*; D013116:Spinal Cord / Q000378:metabolism*; D013373:Substance P / Q000502:physiology*
chemical_list: D011985:Receptors, Serotonin; D012701:Serotonin; D013373:Substance P