nerve cord

noun

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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More Definitions for nerve cord

nerve cord

noun

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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