nerve cord

noun

Definition of nerve cord

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

  2. 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


Medical Dictionary

nerve cord

noun

Medical Definition of nerve cord

  1. :  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

Learn More about nerve cord


Seen and Heard

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

lethargy or dullness

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time-traveler-quiz-which-word-came-first
  • Which came first?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!