title: Twenty-four-hour rhythmic uptake of 3H-norepinephrine in vitro by hypothalamus and medial lower brainstem.
mesh_terms: D000818:Animals; D001933:Brain Stem / Q000378:metabolism*; D002940:Circadian Rhythm; D003624:Darkness; D007031:Hypothalamus / Q000378:metabolism*; D066298:In Vitro Techniques; D008297:Male; D009638:Norepinephrine / Q000378:metabolism*; D051381:Rats; D014316:Tritium
chemical_list: D014316:Tritium; D009638:Norepinephrine