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nerve cord
nerve cord A large bundle of nerve fibres, running down the longitudinal axis of the body, that forms an important part of the central nervous system. Most invertebrates have a pair of solid nerve cords, situated ventrally and bearing segmentally arranged ganglia. All animals of the phylum Chordata have a dorsal hollow nerve cord; in vertebrates this is the spinal cord.
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"nerve cord." A Dictionary of Biology. 2004. Encyclopedia.com. 29 May. 2012 <http://www.encyclopedia.com>. "nerve cord." A Dictionary of Biology. 2004. Encyclopedia.com. (May 29, 2012). http://www.encyclopedia.com/doc/1O6-nervecord.html "nerve cord." A Dictionary of Biology. 2004. Retrieved May 29, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-nervecord.html |
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nerve cord
nerve cord The bundle of nerve fibres that runs along the longitudinal axis of the body. In most invertebrates there are two, solid nerve cords; in Chordata the nerve cord is hollow and in vertebrates it is the spinal cord.
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Cite this article
MICHAEL ALLABY. "nerve cord." A Dictionary of Zoology. 1999. Encyclopedia.com. 29 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "nerve cord." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 29, 2012). http://www.encyclopedia.com/doc/1O8-nervecord.html MICHAEL ALLABY. "nerve cord." A Dictionary of Zoology. 1999. Retrieved May 29, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-nervecord.html |
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