21. The substantia nigra is located in the midbrain. 22. The same for the substantia nigra pars reticulata. 23. I've read our articles on linea nigra and melanocyte-stimulating hormone. 24. Degeneration of the substantia nigra is implicated in the cause of Parkinson s disease. 25. A " substantia nigra ," 26. Inactivation of the substantia nigra could prove to be a possible treatment for cocaine addiction. 27. The flowers of " Sambucus nigra " are used to produce elderflower cordial. 28. "Pinus nigra " is moderately fast growing, at about per year. 29. Another arousal system, the dopaminergic system, releases dopamine produced by the substantia nigra . 30. It is also highly expressed in areas of the CNS, including the substantia nigra .
