Neurotransmitter changes in the aging brain.
D000375:Aging; D000818:Animals; D001921:Brain / Q000502:physiology*; D004298:Dopamine / Q000378:metabolism; D006801:Humans; D008734:Methoxyhydroxyphenylglycol / Q000378:metabolism; D009410:Nerve Degeneration; D009638:Norepinephrine / Q000378:metabolism; D010084:Oxidation-Reduction; D012701:Serotonin / Q000378:metabolism; D013570:Synaptic Membranes / Q000502:physiology
D012701:Serotonin; D008734:Methoxyhydroxyphenylglycol; D004298:Dopamine; D009638:Norepinephrine