• synonyms

nerve cord



a single hollow tract of nervous tissue that constitutes the central nervous system of chordates and develops into the spinal cord and brain in vertebrates.
a solid double strand of nerve fibers along the length of the body in elongate invertebrates, as earthworms and insects, connecting with a pair of nerve ganglia at each body segment.


Medical Terms You Didn’t Know ExistedRead more in this article about some frequently asked questions and fun facts related to our definitions.

Nearby words

nerve block anesthesia, nerve cell, nerve center, nerve centre, nerve conduction, nerve cord, nerve decompression, nerve fiber, nerve fibre, nerve gas, nerve graft

Origin of nerve cord

First recorded in 1875–80 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for nerve cord

  • This is an elastic rod of cartilage, lying just beneath the spinal marrow or nerve-cord, which runs backward from the brain.

    The Whence and the Whither of Man|John Mason Tyler
  • Just beneath the nerve-cord note a blood-vessel extending the length of the body.

  • A streak or groove forms along its axis, and becomes the nerve-cord running along the back.

  • There is a slight swelling on the nerve-cord in each segment of the body.