title: 24-hour rhythms in pineal 5-hydroxytryptamine and hydroxyindole-o-methyl transferase activity in the macaque.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D000882:Haplorhini; D066298:In Vitro Techniques; D010870:Pineal Gland / Q000201:enzymology / Q000378:metabolism*; D012701:Serotonin / Q000378:metabolism*; D013347:Subcellular Fractions / Q000378:metabolism; D014166:Transferases / Q000378:metabolism*
chemical_list: D012701:Serotonin; D014166:Transferases