title: Descending monoaminergic systems: functional aspects. Introduction.
mesh_terms: D000818:Animals; D001679:Biogenic Amines / Q000502:physiology*; D001921:Brain / Q000502:physiology*; D009474:Neurons / Q000502:physiology; D013116:Spinal Cord / Q000502:physiology*; D013569:Synapses / Q000502:physiology
chemical_list: D001679:Biogenic Amines