title: CONTROL OF THE CIRCADIAN RHYTHM IN SEROTONIN CONTENT OF THE RAT PINEAL GLAND.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002940:Circadian Rhythm; D003624:Darkness; D008027:Light; D010507:Periodicity; D010827:Physiology; D010870:Pineal Gland; D051381:Rats; D012106:Research; D012701:Serotonin; D014785:Vision, Ocular
chemical_list: D012701:Serotonin
keywords: CHEMISTRY; CIRCADIAN RHYTHM; DARKNESS; EXPERIMENTAL LAB STUDY; LIGHT; PERIODICITY; PHYSIOLOGY; PINEAL BODY; RATS; SEROTONIN; VISION