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nervous system
1) Structural divisions - anatomic
- Central Nervous System
- Peripheral nervous system
2) Functional divisions - physiologic
- Somatic nervous system - voluntary; supplies skeletal muscles
- Autonomic (visceral) nervous system - involuntary; supplies smooth muscle, cardiac muscle, glands
3) Neuroglia
- Nonconducting cells
- Protect & support nervous system
4) Neurons
- electrically excitable cells
- functional unit of the nervous system
Related
neurologic disease
General
organ system
References
- Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999.
- Memmler's The Structure & Function of the Human Body
7th edition, BJ Cohen & DL Wood (eds), Lippincott Williams &
Wilkins, Philadelphia, PA 2000
- Brain and Nervous System
http://health.nih.gov/search.asp/3
Components
autonomic nervous system
brain
central nervous system
nervous system structure
peripheral nervous system