Definition of nerve cord
1 : the pair of closely united ventral longitudinal nerves with their segmental ganglia that is characteristic of many elongate invertebrates (as earthworms)
2 : the dorsal tubular cord of nervous tissue above the notochord of a chordate that comprises or develops into the central nervous system
First Known Use of nerve cord
Rhymes with nerve cord
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Medical Definition of nerve cord
: the dorsal tubular cord of nervous tissue above the notochord of a chordate that in vertebrates includes or develops an anterior enlargement comprising the brain and a more posterior part comprising the spinal cord with the two together making up the central nervous system
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Medical Dictionary: Definition of "nerve cord"
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