title: The major role of the tryptophan active transport in the diurnal variations of 5-hydroxytryptamine synthesis in the rat brain.
mesh_terms: D000818:Animals; D001693:Biological Transport, Active; D001921:Brain / Q000378:metabolism*; D001933:Brain Stem / Q000378:metabolism; D002395:Catecholamines / Q000502:physiology; D002940:Circadian Rhythm; D006897:Hydroxyindoleacetic Acid / Q000378:metabolism; D007031:Hypothalamus / Q000378:metabolism; D066298:In Vitro Techniques; D007700:Kinetics; D051381:Rats; D012701:Serotonin / Q000096:biosynthesis* / Q000502:physiology; D012892:Sleep Deprivation; D013997:Time Factors; D014316:Tritium; D014364:Tryptophan / Q000378:metabolism*; D014443:Tyrosine / Q000378:metabolism
chemical_list: D002395:Catecholamines; D014316:Tritium; D012701:Serotonin; D014443:Tyrosine; D006897:Hydroxyindoleacetic Acid; D014364:Tryptophan