nerve cord


Definition of nerve cord

1 : the pair of closely united ventral longitudinal nerves with their segmental ganglia that is characteristic of many elongate invertebrates (such 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

1877, in the meaning defined at sense 1

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The first known use of nerve cord was in 1877

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nerve cord


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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What made you want to look up nerve cord? Please tell us where you read or heard it (including the quote, if possible).


to move or proceed with twists and turns

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