is a degenerative disorder of the central nervous system. The motor symptoms of Parkinson's disease result from the death of dopamine-generating cells in the substantia nigra, a region of the midbrain; the cause of this cell death is unknown.
Channels: Medical
Tags: Parkinson Disease Pathophysiology
Uploaded by: logenfd ( Send Message ) on 20-10-2011.
Duration: 2m 36s