The histochemical mapping of "chemical pathways" in the central nervous system.
D000109:Acetylcholine / Q000502:physiology*; D000596:Amino Acids / Q000502:physiology*; D000818:Animals; D001679:Biogenic Amines / Q000502:physiology*; D001921:Brain / Q000502:physiology*; D001931:Brain Mapping; D009411:Nerve Endings / Q000502:physiology; D009434:Neural Pathways / Q000502:physiology; D051381:Rats; D017981:Receptors, Neurotransmitter / Q000502:physiology; D013116:Spinal Cord / Q000502:physiology; D009435:Synaptic Transmission
D000596:Amino Acids; D001679:Biogenic Amines; D017981:Receptors, Neurotransmitter; D000109:Acetylcholine