Parkinson's Disease
Alternate Names : Paralysis Agitans, Shaking Palsy
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Substantia Nigra and Parkinson's Disease
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Parkinson's disease is a slowly progressive disorder that affects movement, muscle control, and balance. Part of the disease process develops as cells are destroyed in certain parts of the brain stem, particularly the crescent-shaped cell mass known as the substantia nigra. Nerve cells in the substantia nigra send out fibers to tissue located in both sides of the brain. There the cells release essential neurotransmitters that help control movement and coordination.
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Central Nervous System
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The central nervous system is comprised of the brain and spinal cord. The peripheral nervous system includes all peripheral nerves.
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