title: [Neuropeptides and circadian rhythm].
mesh_terms: D000818:Animals; D001683:Biological Clocks; D002415:Cats; D002940:Circadian Rhythm; D004723:Endorphins / Q000378:metabolism; D006801:Humans; D051379:Mice; D009419:Nerve Tissue Proteins / Q000378:metabolism*; D009474:Neurons / Q000378:metabolism; D051381:Rats; D013493:Suprachiasmatic Nucleus / Q000378:metabolism / Q000502:physiology; D014660:Vasoactive Intestinal Peptide / Q000378:metabolism; D014667:Vasopressins / Q000378:metabolism
chemical_list: D004723:Endorphins; D009419:Nerve Tissue Proteins; D014667:Vasopressins; D014660:Vasoactive Intestinal Peptide