nerve cord

noun

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.

Origin of nerve cord

First recorded in 1875–80

Words nearby nerve cord

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

Example sentences from the Web for nerve cord