Organization of the nervous system
A nerve trunk comprises many single neurones (nerve cells). Thus, the nerve cell is the basic constituent of the nervous system (figure 1.1) and there are some 1 × 1012 neurones in the human nervous system. The neurone comprises three distinct portions, the cell body, the axon and the nerve terminal.
KeywordsSpinal Cord Cranial Nerve Peripheral Nervous System Spinal Nerve Carotid Body
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References and further reading
- Barr, M.L. and Kiernan, J.A. (1983) The Human Nervous System: An Anatomical Viewpoint, 4th edition, Harper and Row, Philadelphia.Google Scholar
- Eugene, B.N. and Cherniak, N.S. (1987) Central chemoreceptors J. Appl. Physiol. 62, 389–402.Google Scholar
- Lindsley, D.F. and Holmes, J.E. (1984) Basic Human Neurophysiology, Elsevier Science, New York.Google Scholar
- Ottoson, D. (1983) Physiology of the Nervous System, Macmillan, London.Google Scholar
- Pick, J. (1970) The Autonomic Nervous System: Morphological, Comparative, Clinical and Surgical Aspects, J.B. Lippincott, Philadelphia.Google Scholar