A circadian rhythm of norepinephrine regionally in cat brain: its relationship to environmental lighting and to regional diurnal variations in brain serotonin.

5-Hydroxytryptophan Animals Brain/metabolism Cats Cerebellum/metabolism Circadian Rhythm Diencephalon/metabolism Female Lighting Male Medulla Oblongata/metabolism Mesencephalon/metabolism Neck Norepinephrine/analysis Pineal Gland/metabolism Pons/metabolism Spinal Cord/metabolism Telencephalon/metabolism

5-Hydroxytryptophan Norepinephrine