title: Enkephalins increase dopamine levels in the CNS of a marine mollusc.
mesh_terms: D000818:Animals; D049872:Bivalvia / Q000378:metabolism*; D002490:Central Nervous System / Q000187:drug effects / Q000378:metabolism*; D004298:Dopamine / Q000378:metabolism*; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology; D012701:Serotonin / Q000378:metabolism; D013268:Stimulation, Chemical; D013997:Time Factors
chemical_list: D004723:Endorphins; D004745:Enkephalins; D012701:Serotonin; D009270:Naloxone; D004298:Dopamine