title: Feedback loop or output pathway in striato-nigral fibres?
mesh_terms: D015102:3,4-Dihydroxyphenylacetic Acid / Q000378:metabolism; D000818:Animals; D003342:Corpus Striatum / Q000378:metabolism*; D004298:Dopamine / Q000378:metabolism*; D006719:Homovanillic Acid / Q000378:metabolism; D009434:Neural Pathways / Q000378:metabolism; D051381:Rats; D013378:Substantia Nigra / Q000378:metabolism*; D005680:gamma-Aminobutyric Acid / Q000378:metabolism
chemical_list: D015102:3,4-Dihydroxyphenylacetic Acid; D005680:gamma-Aminobutyric Acid; D004298:Dopamine; D006719:Homovanillic Acid